Searchable Index of Genera and Species Referenced in The Snail's Odyssey

Please note that this index is a work in progress.

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Genus starts with: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | R | S | T | U | V | Y |


: [amplexus, copulation, reproduction] 1. males are larger than females. [Photo]

Abalone : [defense] 1. juveniles shelter under spine canopy of sea urchins. Rogers-Bennett & Pearse 2001 [Text only]

Abalone : [larva] 1. speculation on the function of torsion in gastropod development. Garstang 1929 [Drawing]

Abalone : [home] 1. introduction to abalones in home file for abalone part of the Odyssey. [Text only]

Abalone : [] 1. snail meets abalone animation. [Animation]

Abalone : [map] 1. snail's map with abalone highlighted. [Drawing]

Abalone : [classification] 1. classification of SuperOrder Vetigastropoda, including abalones and other snails. []

Abalone : [chemical, defense] 1. introduction to chemical defenses in abalone. []

Abarenicola pacifica: [burrow, density] 1. comments on burrow density and bioturbation effects. [Photo]

Abarenicola pacifica: [competitive exclusion] 1. field experiments to investigate interactions with settling spionids Pseudopolydora kempi. Woodin 1985 [Graph]

Abarenicola pacifica: [burrowing, density] 1. bioturbation activities of lugworms increase general health of mudflats. [Photo]

Abarenicola pacifica: [burrow] 1. description of burrow and its functioning. Swinbanks & Murray 1981 [Photo, Drawing]

Abarenicola pacifica: [burrow] 1. description of burrows and their functioning . Taghorn & Green 1990 [Photo, Drawing]

Abarenicola pacifica: [burrow, distribution] 1. burrow distribution is clumped, rather than being random. Kruger & Woodin 1983 [Drawing]

Abarenicola pacifica: [activity, behaviour] 1. recordings of activities of several burrowing invertebrates. Wethey & Woodin 2005 [Graph]

Abarenicola pacifica: [diet] 1. diet in San Juan Island consists of bacteria and diatoms. Hobson 1967 [Drawing]

Abarenicola pacifica: [diet, food quality] 1. some evidence of "gardening" by the worms with respect to their bacterial foods. Hyllenberg 1975 [Photo]

Abarenicola pacifica: [anoxia, physiological ecology] 1. measurements of oxygen concentration in burrows during high and low tides. May 1972 [Text only]

Abarenicola pacifica: [osmoconformer] 1. study on osmoregulatory abilities in Coos Bay, Oregon. Oglesby 1973 [Graph]

Abarenicola pacifica: [predation] 1. effects of experimental removal of tail ends to mimic predator. Woodin 1984 [Graph]

Abarenicola spp.: [burrowing, bioturbation] 1. brief description of burrowing. Trueman & Ansell 1969 [Drawing]

Abarenicola spp.: [bioturbation, burrowing] 1. brief description of burrowing. Wells 1961 [Drawing]

Abarenicola spp.: [burrow] 1. drawings of burrows. Hylleberg 1975 [Photo, Drawing]

Abarenicola spp.: [burrow, morphology] 1. examine burrows of these and other invertebrates from the standpoint of special construction features to resist influx of toxic hydrogen-sulphide gas. Zorn et al. 2006 [Text only]

Abarenicola spp.: [diet] 1. information on diets. May 1972 [Drawing]

Abarenicola vagabunda: [diet] 1. diet in San Juan Island consists of bacteria and diatoms. Hobson 1967 [Drawing]

Abeitinaria spp.: [functional morphology, water flow] 1. evolution of streamlining in hydroid colonies. Harvell & Labarbera 1985 [Photo, Graph]

Acantholithodes hispidus: [larva] 1. description of larval and megalopal stages. Hong et al. 2004 [Drawing]

Acanthophora granulata: [ocelli, photoreceptor] 1. detailed description of eye-like properties of ocelli or aesthetes in the shell valves. Speiser et al. 2011 [Photo, Drawing]

Acanthopleura echinata: [morphology, radula, structure] 1. chemical and physical structure of the radula cusps. 2. not a west-coast species. Brooker et al. 2003 [Drawing]

Acmaea mitra: [camouflage, defense] 1. commonly encrusted with coralline algae Hildenbrandia sp. possibly for defense. [Photo]

Acmaea mitra: [predation, prey capture] 1. being pulled off the substratum by a sea star Orthasterias koehleri. [Photo]

Acmaea mitra: [desiccation, physiological ecology, zonation] 1. zonation of this species and 3 Lottia species in Oregon corresponds with critical tide factors. 2. desiccation may be involved. Shotwell 950 [Photo, Graph]

Acmaea mitra: [aggregation, mechanism, radula] 1. compares radula structure and function with that of Lottia scutum. Padilla 1985 [Photo, Graph]

Acmaea mitra: [reproduction, spawning] 1. spawning occurs in winter with quick rebuilding of gonads. Fritchman 1961 [Photo, Graph]

Acmaea testudinalis: [development] 1. drawings of early development used for description of Lottia digitalis. Kessel 1964 [Drawing]

Aeolidia papillosa: [predation] 1. predator of sea anemones Anthopleura spp.. [Drawing]

Aeolidia papillosa: [predation] 1. induces several defensive reactions in prey sea anemone Anthopleura elegantissima. Harris & Howe 1979 [Photo]

Aeolidia papillosa: [alarm, pheromone] 1. eats sea anemone Anthopleura and incorporates alarm pheromone anthopleurine into its own tissues. Howe & Harris 1978 [Photo, Graph, Table of Data]

Aeolidia papillosa: [alarm, pheromone] 1. description of predator-prey interactions between a nudibranch, sea anemones Anthopleura spp., and a sculpin Clinocottus globiceps. Hand 1994 [Photo, Drawing]

Aeolidia papillosa: [acontia, defense, predation] 1. ilicits extrusion of acontia (mesenterial filaments) when attacks sea anemone Anthopleura elegantissima. Edmunds et al. 1976 [Photo]

Aeolidia papillosa: [acontia, defense, predation] 1. predator/prey relationship with sea anemone Anthopleura elegantissima. Waters 1972 [Photo]

Aeolidia papillosa: [predation] 1. effect on sea-anemone population numbers Anthopleura elegantissima by its predatory activity. Sebens 1983 [Photo]

Aeolidia papillosa: [predation, preferences] 1. prefers small-sized individuals when attacking sea anemones Anthopleura elegantissima. Harris 1986 [Photo]

Aequorea victoria: [diel] 1. 7 species from the San Juan Islands, Washington are included in the study. Mills 1983 [Photo]

Aequorea victoria: [photo courtesy] 1. photo courtesy Chris Gunn, Campbell River, British Columbia. Gunn [Photo]

Aequorea victoria: [food, predator] 1. preys on herring larvae in Georgia Strait, British Columbia. 2. other hydromedusans that eat herring larvae include Bougainvillia multitentaculata, Sarsia tubulosa, Eutonina indicans, Stomatoca atra, and Clytia gregaria. Arai & Hay 1982 [Graph]

Aequorea victoria: [food, predation, preferences] 1. preference for herring larvae Cluea harengus pallasi. Purcell et al. 1987 [Photo]

Aequorea victoria: [photo courtesy] 1. photo courtesy Chris Gunn, Vancouver Island. Gunn [Photo]

Aequorea victoria: [food, preferences] 1. list of prey types, but showing distinct preference for eggs and larvae of herring. Purcell 1989 [Photo]

Aequorea victoria: [photo courtesy] 1. photo courtesy Chris Gunn, Campbell River, British Columbia. Gunn [Photo]

Aequorea victoria: [food, predator, preferences] 1. most important predator of herring larvae among 15 species of hydomedusans examined around Vancouver Island. Purcell 1990 [Drawing]

Aequorea victoria: [competition, interspecific, prey] 1. diet overlaps with other hydromedusan species. 2. preferentially eats the competing species Clytia gregaria and Rathkea octopunctata. Purcell 1991 [Graph]

Aequorea victoria: [osmoconformer, osmotic regulation] 1. tests several other species for osmoregulatory ability; all are osmoconformers. Mills 1984 [Drawing, Graph]

Aequorea victoria: [oxygen consumption, anoxia] 1. some ability to oxyregulate in hypoxic conditions. Rutherford & Thuesen 2005 [Photo, Graph]

Aequorea victoria: [photo courtesy] 1. photo courtesy Chris Gunn, Campbell River, British Columbia. [Photo]

Aglaja diomedea: [predator] 1. in some areas eats nemerteans Paranemertes peregrina. Roe 1976 [Text only]

Aglan digitale: [behaviour, locomotion] 1. comparative study of locomotory behaviour in 6 species of hydromedusae in San Juan Islands, Washington. Colin & Costello 2002 [Drawing, Graph]

Aglantha digitale: [diel, vertical migration] 1. undergoes diel vertical migrations in Saanich Inlet, British Columbia. Arai & Fulton 1973 [Text only]

Aglantha digitale: [food] 1. an individual stuffed with copepod prey. [Photo]

Aglantha digitale: [feeding] 1. description of fishing behaviour. 2. first evidence of statocyst function in a hydromedusa. Mackie 1980 [Drawing]

Aglantha digitale: [swimming, escape] 1. description of nervous elements involved with swimming. Singla 1978 [Photo]

Aglantha digitale: [defense, escape, swimming, nervous system] 1. describe giant axons involved with fast escape swimming. Roberts & Mackie 1980 [Drawing, Graph]

Aglantha digitale: [aesthetasc, defense, escape, nervous system, swimming] 1. describe giant axons involved with escape swimming. Donaldson et al. 1980 [Drawing, Graph]

Aglantha digitale: [predation] 1. preyed on by Aequorea aequorea. Roberts & Mackie 1980 [Drawing, Graph]

Alcyonium sp.: [host, reproduction, symbiont] 1. used for a time by juveniles of basket stars Gorgonocephalus eucnemis as a host. 2. juvenile basket stars may feed on eggs and embryos of Alcyonium. Patent 1970 [Photo, Drawing, Graph]

Alia carinata: [camouflage, mimicry] 1. snail is mimicked by amphipod. Caine 1969 [Photo]

Alia carinata: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle. Schroeder [Photo]

Alia carinata: [defense] 1. shells of this snail species used as domiciles by amphipods Photis conchicola. Carter 1982 [Drawing]

Alia carinata: [predation, prey] 1. eaten by sea stars Leptasterias hexactis in surfgrass habitats in northern California. Fishlyn & Phillips 1980 [Photo]

Alloniscus perconvexus: [predation] 1. this isopod is preyed upon by rove beetles Thinopinus pictus. Richards 1983 [Photo]

Alloniscus perconvexus: [photo courtesy] 1. photo courtesy Jonathan Wright, Pomona College, California. Wright [Photo]

Alloniscus  perconvexus: [prey] 1. eaten by adult rove beetles Thinopinus pictus. Craig 1970 [Photo]

Alloniscus  perconvexus: [photo courtesy] 1. photo courtesy Jonathan Wright, Pomona College, California. Wright [Photo]

Alvania  compacta: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Alvania  spp.: [predation] 1. eaten by cottids Artedius spp. and other fishes. Norton 1988 [Photo]

Americhelidium sp.: [behaviour, tidal rhythm] 1. aspects of tidal rhythms in behaviour. Enright 1963 [Graph]

Americhelidium sp.: [behaviour, pressure] 1. laboratory tests of pressure effects on activity. Enright 1961 [Text only]

Ampelisca agassizi: [predation] 1. description of gray whales preying on subtidal populations. Oliver et al. 1984 [Drawing]

Ampelisca agassizi: [predation] 1. description of gray whales preying on subtidal populations. Oliver et al. 1984 [Drawing]

Ampelisca careyi: [predation] 1. subtidal population preyed on by gray whales. Dunham & Duffus 2002 [Text only]

Ampelisca robustus: [predation] 1. predation by gray whales on subtidal populations of amphipods. Dunham & Duffus 2002 [Text only]

Amphibalanus amphitrite: [physiological ecology, salinity] 1. life in the Salton Sea, California. Raimondi 1992 [Photo, Drawing]

Amphiodia  occidentalis: [gonad index, season] 1. seasonal gonadal indices for 5 species of California ophiuroids. Rumrill & Pearse 1985 [Photo, Graph]

Amphiodia  occidentalis: [development] 1. development egg to juvenile. Emlet 2006 [Photo]

Amphiodia  urtica: [autotomy, defense, predation] 1. description of arm-autotomy and general defense behaviour. [Photo]

Amphiodia  urtica: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. Austin [Photo]

Amphiodia  urtica: [parasitism] 1. copepod Caribeopsyllus amphiodiae inhabits gut. Ho et al. 2003 [Photo, Drawing]

Amphiodia  urtica: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. Austin [Photo]

Amphiolis  squamata: [gonad index, season] 1. seasonal gonadal indices for 5 species of California ophiuroids. Rumrill & Pearse 1985 [Photo, Graph]

Amphipod : [home] 1. introduction to amphipods in home file for amphipod part of the ODYSSEY. [Text only]

Amphipod : [] 1. snail meets amphipod animation. [Animation]

Amphipod : [map] 1. snail's map with amphipod highlighted. [Drawing]

Amphipod : [classification] 1. classification of Order Amphipoda, including amphipods. [Text only]

Amphipod : [vision] 1. function of eyes of amphipods and visual acuity. Hallberg et al. 1980 [Photo, Drawing]

Amphipod : [quiz] 1. quiz on celestial navigation in amphipods. [Text only]

Amphipod : [dispersal] 1. dispersal of adults by rafting on algal mats. Highsmith 1985 [Photo]

Amphipod : [reproduction] 1. description of reproductive events in amphipods. [Text only]

Amphipod : [physiological ecology] 1. description of aspects of an amphipod's physiological ecology. 2. special challenges for life on land. [Text only]

Amphipod : [optimal foraging] 1. critical review of optimal-foraging models. Richards 1983 [Text only]

Amphipod : [reproduction] 1. short overview of amphipod reproduction. [Text only]

Amphipod : [predation] 1. introduction to topic of vertebrate predators of amphipods. [Text only]

Amphipod : [predation] 1. tidepool fishes in southern California feed on amphipods. Mitchell 1953 [Text only]

Amphipod : [predation] 1. shallow-water fishes in Dillon Beach, California prefer diets of amphipods. Grossman 1986 [Text only]

Amphipod : [aposemetism] 1. introduction to aposematism or warning coloration. [Text only]

Amphipod Corophiid: [feeding] 1. general features of a corophiid amphipod. Kozloff 1974 [Drawing]

Amphipod sp.: [camouflage, mimicry] 1. undescribed amphipod may gain protection through camouflage mimicry of its host hydroid Corymorpha. [Photo]

Amphipod spp.: [competition, guild, habitat] 1. habitat competitiveness in an amphipod guild in California. Gunnill 1983 [Photo]

Amphipod spp.: [competition] 1. habitat competitiveness in an amphipod guild in California. Gunnill 1984 [Photo]

Amphissa columbiana: [development] 1. information on torsion in several gastropods, including moon snails Euspira lewisii. Bondar & Page 2003 [Text only]

Anemone : [quiz] 1. quiz on mucus involvement in nematocyst discharge. [Text only]

Anemone : [nematocyst] 1. comparison of nematocysts and other stinging devices in west-coast sea anemones. Hand 1954 []

Anemone : [defense, swimming] 1. general consideration of detachment response in sea anemones to presence of a predator. Houtman et al. 1997 [Graph]

Anemone : [nematocyst] 1. introduction to terminology relating to cnidae (nematocysts and spirocysts) of cnidarians. [Drawing]

Anemone : [nematocyst] 1. description of how a nematocyst functions. Kass-Simon & Scappaticci 2002 [Drawing]

Anemone : [nematocyst] 1. mechanism of adhesion of a nematocyst. Thorington & Hessinger 1990 [Drawing]

Anemone : [nematocyst] 1. mechanism of adhesion of nematocysts. Thorington & Hessinger 1996 [Drawing]

Anemone : [home] 1. introduction to sea anemones in home file for anemone part of the Odyssey. [Text only]

Anemone : [] 1. snail meets anemone. [Animation]

Anemone : [map] 1. snail's map with anemone highlighted. []

Anemone : [classification] 1. classification of SubClass Hexacorallia including sea anemones. [Text only]

Anthopleura artemisia: [symbiont, zooxanthella] 1. effect of burial on symbiont presence. Wels et al. 2002 [Photo]

Anthopleura elegantissima: [aggression] 1. description of clonal separation in the lab and fiels. Francis 1973 [Photo, Drawing]

Anthopleura elegantissima: [aggression, acrorhagi] 1. mechanism of clonal segregation involving acrorhagi. 2. description of different attack and defensive structures in sea anemones, including acrorhagi, catch or fighting tentacles, and sweeper tentacles . Francis 1973 [Photo, Drawing]

Anthopleura elegantissima: [aggression] 1. animated 3D video of clonal aggression . [Video]

Anthopleura elegantissima: [aggression] 1. use of warrior polyps in aggression. Ayre & Grosberg 1996 [Photo]

Anthopleura elegantissima: [aggression, warrior polyps] 1. superior versus recessive warrior polyps. Francis 1976 [Drawing]

Anthopleura elegantissima: [clone] 1. size of clones in the field. Sebens 1982 [Photo]

Anthopleura elegantissima: [aggression, heat-shock proteins] 1. levels of Hsp70 in relation to warrior-polyp stress. Rossi & Snyder 2001 [Photo, Graph]

Anthopleura elegantissima: [aggression] 1. interspecific aggression against Corynactis californica. Chadwick 1987 [Drawing]

Anthopleura elegantissima: [reproduction, asexual] 1. description of longitudinal fission, one of 2 types of asexual reproduction found in sea anemones. Ford 1964 [Photo]

Anthopleura elegantissima: [asexual, reproduction] 1. description of longitudinal fission. Francis 1973 [Photo]

Anthopleura elegantissima: [reproduction] 1. 2 types of sexual modes. Francis 1979 [Photo]

Anthopleura elegantissima: [reproduction] 1. 2 types of reproductive modes. Sebens 1983 [Photo]

Anthopleura elegantissima: [reproduction] 1. 2 types of reproductive modes. Smith & Potts 1987 [Photo]

Anthopleura elegantissima: [reproduction] 1. reproductive modes. McFadden et al. 1997 [Photo]

Anthopleura elegantissima: [asexual, reproduction] 1. mechanism of asexual reproduction. Sebens 1980 [Drawing]

Anthopleura elegantissima: [asexual, reproduction] 1. mode of asexual reproduction. Sebens 1983 [Drawing]

Anthopleura elegantissima: [asexual, reproduction] 1. mode of asexual reproduction. Ferrell 2005 [Drawing]

Anthopleura elegantissima: [asexual] 1. scar tissue formed. Sebens 1982 [Photo]

Anthopleura elegantissima: [asexual, reproduction] 1. seasonal rates. Sebens 1983 []

Anthopleura elegantissima: [quiz] 1. quiz on clonal aggregations . [Text only]

Anthopleura elegantissima: [desiccation] 1. attachment of protective debris. Hart & Crowe 1977 [Photo]

Anthopleura elegantissima: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Anthopleura elegantissima: [physiological ecology] 1. use of adenylate energy charge (AEC) as an indicator of stress. Smith & Watt 1994 [Text only]

Anthopleura elegantissima: [heat-shock proteins, stress] 1. stresses related to tidal exposure reflected in heat-shock protein levels. Snyder & Rossi 2004 [Photo, Graph]

Anthopleura elegantissima: [pheromone] 1. alarm pheromone from damaged conspecific induces withdrawal. Howe & Sheikh 1975 [Photo]

Anthopleura elegantissima: [defense] 1. description of defensive responses to attach by nudibranch predator Aeolidia papillosa. Harris & Howe 1979 [Photo]

Anthopleura elegantissima: [nematocyst] 1. distribution of nematocyst and spirocysts in the body. [Drawing]

Anthopleura elegantissima: [nematocyst] 1. scaling of nematocyst size. Francis 2004 [Graph]

Anthopleura elegantissima: [zooxanthella, zoochlorella] 1. differential distribution of symbionts in cave-inhabiting individuals. Secord & Muller-Parker 2005 [Graph]

Anthopleura elegantissima: [symbiont, zooxanthella] 1. behavioral regulation of light intensity by sea anemones in relation to needs of symbionts. Pearse 1974 [Graph]

Anthopleura elegantissima: [symbiont, zooxanthella] 1. behaviour of host sea anemones in relation to light needs of their symbionts. Fredericks 1976 [Photo]

Anthopleura elegantissima: [symbiont, zooxanthella] 1. behaviour of host sea anemones in relation to light needs of their symbionts. Pearse 1974 [Graph]

Anthopleura elegantissima: [covering response] 1. possible function of gravel covering. Dykens & Shick 1984 [Photo, Graph]

Anthopleura elegantissima: [temperature , zoochlorella, zooxanthella, light] 1. temperature and light effects on growth of symbionts. Saunders & Muller-Parker 1997 [Graph]

Anthopleura elegantissima: [symbiont, zoochlorella, zooxanthella] 1. geographic and microhabitat differences affect symbiont presence or absence in host. Secord & Augustine 2000 [Drawing]

Anthopleura elegantissima: [temperature , zooxanthella] 1. temperature affects species of symbiont in host. Muller-Parker et al. 2007 [Graph]

Anthopleura elegantissima: [predation, symbiont] 1. fate of symbionts after being eaten by predatory sea star Dermasterias. Bachman & Muller-Parker 2007 [Photo, Graph]

Anthopleura elegantissima: [habitat, symbiont] 1. habitat effects on fitness of symbionts. Bates et al. 2010 [Photo]

Anthopleura elegantissima: [energetics, feeding, preferences] 1. comparison of feeding energetics and prey-size selected with other sea anemones Anthopleura xanthogrammica and Metridium senile. Sebens 1981 [Drawing, Graph]

Anthopleura elegantissima: [behaviour, feeding, preferences] 1. feeding behaviour and foods eaten. Sebens 1981 [Photo]

Anthopleura elegantissima: [competition, habitat] 1. effect of removal on other benthic organisms at San Nicolas Island, California. Taylor & Littler 1982 [Photo, Graph]

Anthopleura elegantissima: [habitat] 1. description of study area for sea-anemone removals at San Nicolas Island, California. Littler et al. 1983 [Text only]

Anthopleura elegantissima: [physiology, stress, ultraviolet] 1. UV exposure has no effect on concentration of mycosporine-like amino acids . Stochaj et al. 1994 [Photo]

Anthopleura elegantissima: [oxygen consumption] 1. comparison of oxygen consumption in air and water with a subtidal species Metridium senile. Shick et al. 1979 [Photo, Graph]

Anthopleura elegantissima: [feeding, physiological ecology] 1. effect of intertidal height on feeding rates. Zamer 1986 [Photo, Drawing]

Anthopleura elegantissima: [physiological ecology, energy budget] 1. energy-budget comparisons at different intertidal heights. Zamer & Shick 1987 [Photo, Graph]

Anthopleura elegantissima: [acontia, defense, predator] 1. defends against attack by nudibranch Aeolidia papillosa by extrusion of acontia (mesenterial filaments). Edmunds et al. 1976 [Photo]

Anthopleura elegantissima: [defense, predator] 1. predator/prey relationship with nudibranch Aeolidia papillosa. Waters 1972 [Photo]

Anthopleura elegantissima: [predation] 1. effect of predation by nudibranchs Aeolidia papillosa on population numbers. Sebens 1983 [Photo]

Anthopleura elegantissima: [behaviour, defense] 1. defensive behaviour when attacked by nudibranch Aeolidia papillosa. Edmunds et al. 1976 [Drawing]

Anthopleura elegantissima: [predation, zoochlorella, zooxanthella] 1. fate of symbionts of prey sea anemones when eaten by sculpins Clinocottus globiceps. Augustine & Muller-Parker 1998 [Table of Data]

Anthopleura elegantissima: [reproduction] 1. description of life cycle and planula larva. Schwarz et al. 2002 [Photo]

Anthopleura elegantissima: [reproduction, gonad index] 1. description of sexual reproduction including gonad indices. Ford 1964 [Photo, Graph]

Anthopleura elegantissima: [reproduction] 1. reproductive cycle measured as change in oocyte diameters. Jennison 1979 [Graph]

Anthopleura elegantissima: [reproduction] 1. sexual reproductive cycle measured as tissue-lipid contents. Jennison 1979 [Text only]

Anthopleura elegantissima: [life cycle, settlement] 1. seasonal settlement of larvae; data for A. xanthogrammica also included. Sebens 1982 [Photo, Graph]

Anthopleura elegantissima: [sensory, larva] 1. description of nervous and sensory systems in planula larva. Chia & Koss 1979 [Photo]

Anthopleura elegantissima: [symbiont, photosynthesis] 1. photosynthetic symbionts provide amino acids, glycerol, and glucose to their hosts. Wels et al. 2002 [Photo]

Anthopleura elegantissima: [symbiont, zooxanthella] 1. 2 species of Symbiodinium zooxanthellae described: S. muscatinei and S. californium. LaJeunesse & Trench 2000 [Drawing]

Anthopleura elegantissima: [genetics, symbiont, zooxanthella] 1. 3 genotypes of zooxanthella Symbiodinium muscatinei described. Sanders & Palumbi 2011 [Drawing]

Anthopleura elegantissima: [symbiont, zooxanthella, planula] 1. entry of symbionts via consumption by planula larva. McCloskey et al. 1996 [Photo]

Anthopleura elegantissima: [photosynthesis, symbiont] 1. photosynthate contribution described in 2 papers. Trench 1971 [Text only]

Anthopleura elegantissima: [photo courtesy] 1. photo of Symbiodinium zooxanthellae courtesy Max Taylor, University of British Columbia. Taylor [Photo]

Anthopleura elegantissima: [energetics, physiology, symbiont] 1. energy metabolism of symbionts under different conditions of light and nutrition of the host. Fitt & Pardy 1981 [Text only]

Anthopleura elegantissima: [photosynthesis, symbiont, zooxanthella] 1. contribution of photosynthates from zooxanthellae. Fitt et al. 1982 [Text only]

Anthopleura elegantissima: [photosynthesis, symbiont] 1. photosynthate contribution during shading of host. Shick & Dykens 1984 [Text only]

Anthopleura elegantissima: [photosynthesis, symbiont, zoochlorella, zooxanthella] 1. photosynthate contribution from zooxanthellae and zoochlorellae. Verde & McCloskey 1996 [Text only]

Anthopleura elegantissima: [density, symbiont, zoochlorella, zooxanthella] 1. regulation of densities of symbionts. McCloskey et al. 1996 [Graph]

Anthopleura elegantissima: [photosynthesis, symbiont, zoochlorella, zooxanthella] 1. transfer of photosynthates measured at different temperatures. Engebretson & Muller-Parker 1999 [Graph]

Anthopleura elegantissima: [photosynthesis, symbiont, zoochlorella, zooxanthella] 1. density and photosynthate-transfer measurements. Bergschneider & Muller-Parker 2008 [Text only]

Anthopleura sp.: [photo courtesy] 1. photo of its zooxanthellae courtesy Max Taylor, University of British Columbia. Taylor [Photo]

Anthopleura spp.: [pheromone, alarm] 1. test of alarm pheromone anthopleurine on withdrawal response in a number of sea anemones. Howe 1976 [Drawing, Table of Data]

Anthopleura spp.: [symbiont] 1. cave-dwelling individuals lack symbionts. [Photo, Text only]

Anthopleura spp.: [growth, density] 1. interspecific densities affect growth. Sebens 1982 [Graph]

Anthopleura spp.: [density, growth] 1. interspecific effects of density on growth. Sebens 1983 [Graph]

Anthopleura spp.: [mycosporine-like amino acids, symbiont, zooxanthella] 1. relationship of zooxanthellae concentration with content of mycosporine-like amino acids. Shick et al. 2002 [Graph]

Anthopleura spp.: [larval dispersal, reproduction] 1. planula larva feeds using sticky thread. 2. information on 2 species A. elegantissima and A. xanthogrammica. Siebert 1974 [Photo]

Anthopleura spp.: [symbiont, zoochlorella, zooxanthella] 1. photosynthetic symbionts impart brownish and greenish colours to their hosts. O'Brien 1978 [Photo]

Anthopleura spp.: [symbiont, zooxanthella] 1. new species of chlorophyte described, present in both species of west-coast Anthopleura. Letsch et al. 2009 [Photo]

Anthopleura spp.: [photosynthesis, symbiont, zoochlorella, zooxanthella] 1. only zooxanthella release photosynthates to host. 2. zoochlorellae parasitic?. Muscatine 1971 []

Anthopleura spp.: [heat-shock proteins, photosynthesis, symbiont, zoochlorella, zooxanthella] 1. carbon translocation from both types of symbionts monitored by radiolabeled carbon. O'Brien 1980 [Photo]

Anthopleura xanthogrammica: [acrorhagi, aggression] 1. use of acrorhagi in territorial spacing. Bigger 1980 [Drawing]

Anthopleura xanthogrammica: [aggression, habituation] 1. territorial spacing in the field. Seben 1984 [Photo]

Anthopleura xanthogrammica: [defense, swimming] 1. response to contact by predatory nudibranch Aeolidia papillosa. [Drawing]

Anthopleura xanthogrammica: [nematocyst] 1. scaling of nematocyst size. Francis 2004 [Graph]

Anthopleura xanthogrammica: [zooxanthella] 1. high-shore individuals have mostly zooxanthellae. Bates 2000 [Photo, Drawing]

Anthopleura xanthogrammica: [symbiont, zoochlorella, zooxanthella] 1. geographic and microhabitat effects on distribution of symbionts in host. Secord & Augustine 2000 [Drawing]

Anthopleura xanthogrammica: [habitat, symbiont] 1. habitat effects on fitness of symbionts. Bates et al. 2010 [Photo]

Anthopleura xanthogrammica: [behaviour, water flow] 1. comparison of body shape in water currents with the filter-feeding Metridium farcimen. Koehl 1977 [Photo]

Anthopleura xanthogrammica: [water flow] 1. video of sea anemone in surge channel. [Video]

Anthopleura xanthogrammica: [energetics, feeding, preferences] 1. comparison feeding energetics and prey-size selected with other sea anemones Anthopleura elegantissima and Metridium farcimen. Sebens 1981 [Drawing, Graph]

Anthopleura xanthogrammica: [food, preferences] 1. foods eaten in tidepools and surge channels. Sebens 1981 [Photo]

Anthopleura xanthogrammica: [habitat, preferences] 1. habitat specialisation comparison with Metridium farcimen. Koehl 1977 [Drawing, Graph]

Anthopleura xanthogrammica: [habitat, preferences] 1. habitat specialisation of sea anemones. Koehl 1977 [Graph]

Anthopleura xanthogrammica: [aggression, intraspecific] 1. juveniles find refuge in mussel beds. Sebens 1981 [Photo]

Anthopleura xanthogrammica: [habitat, recruitment] 1. effects on population of harvesting individuals for anthopleurin polypeptides in certain habitats on the Oregon coast. Batchelder & Gonor 1981 [Photo]

Anthopleura xanthogrammica: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Anthopleura xanthogrammica: [gonad index, reproduction] 1. comparison of seasonal gonad indices with A. elegantissima. Sebens 1981 [Photo, Graph]

Anthopleura xanthogrammica: [symbiont, zoochlorella] 1. update on the phylogenetic status of its symbionts. Lewis & Muller-Parker 2004 [Photo]

Anthopleura xanthogrammica: [symbiont, temperature , zoochlorella, zooxanthella] 1. temperature effects on growth and expulsion of symbionts. O'Brian & Wyttenbach 1980 [Graph]

Anthopleura  elegantissima: [mycosporine-like amino acids, physiological ecology, symbiont] 1. comparison of MAA protection conferred in individuals with and without symbionts. Banaszak & Trench 1995 [Graph]

Anthopleura  xanthogrammica: [predator] 1. has a crab Pugettia sp. caught in its tentacles. [Photo]

Anthopleura  xanthogrammica: [energy budget, symbiont, zoochlorella, zooxanthella] 1. greater energy contribution from zoochlorellae than from mussel food. Levine & Muller-Parker 2012 [Photo]

Anthopleura  elegantissima: [stimulus] 1. mucus involvement in nematocyst discharge. Ertman & Davenport 1981 [Table of Data]

Aplysia spp.: [development] 1. mechanism of torsion in sea hares Aplysia and littorinid snails. Thompson 1967 [Drawing]

Aporobopyrus muguensis: [branchial chamber, parasitism] 1. deleterious effects on its host crab Pachycheles rudis. Van Wyk 1982 [Graph]

Arctonoe vittata: [attractant, symbiont] 1. symbiotic scaleworm on gumboot chitons Cryptochiton stelleri. Webster 1968 [Photo]

Arctonoe vittata: [defense, symbiont] 1. is known to inhabit the mantle cavity of keyhole limpets and come out to bite at the tube feet of attacking sea stars. 2. parasite or mutual?. [Photo]

Arctonoe vittata: [defense, symbiont] 1. possible first description of its unusual behaviour in attacking sea stars that are attacking its host keyhole limpet Diodora aspera. Dimock & Dimock 1969 [Photo]

Arctonoe vittata: [host] 1. experiments to determine how the scaleworm seeks out and finds its host keyhole limpet Diodora aspera. 2. antennae seem to be most important. Gerber & Stout 1968 [Drawing, Table of Data]

Armadillidium vulgare: [predation] 1. fall into streams in the Big Sur and are eaten by salmon. Rundio & Lindley 2008 [Photo]

Armadillidium vulgare: [colonisation of land, marsupium] 1. description of a "closed"-type marsupium. [Photo]

Artedius harringtoni: [morphology, mouth] 1. explanation of mouth morphology enabling the crushing of shells of snail prey. Norton 1988 [Photo]

Astrangia lajollaensis: [competition, interspecific] 1. competitively dominant over cup corals Balanophyllia elegans. Chadwick 1991 [Photo, Graph]

Aurelia aurita: [carnivore, food] 1. all life stages eat larval herring Clupea harangus pallasi. 2. species likely to have actually been Aurelia labiata. Arai & Hay 1982 [Drawing]

Aurelia aurita: [feeding, swimming] 1. describes swimming and possible feeding mechanisms. 2. data applicable to the west-coast species Aurelia labiata. Costello & Colin 1994 [Drawing]

Aurelia aurita: [food, preferences] 1. dietary preferences of juveniles and adults. 2. preference of larger medusae for barnacle nauplii and hydromedusae. Sullivan et al. 1994 [Photo]

Aurelia aurita: [age, food, growth] 1. growth of ephyrae can reach 35% per day in early life. Bamstedt et al. 1999 [Photo]

Aurelia aurita: [food] 1. describes diet of young ephyae. 2. study done in Norway. Bamstedt et al. 2001 [Text only]

Aurelia aurita: [DOM, nutrition] 1. scyphistomae are able to take up dissolved amino acids. 2. work done in Corpus Christi, Texas. Shick 1973 [Text only]

Aurelia aurita: [DOM, nutrition] 1. scyphistoma polyps utilise dissolved organic matter for nutrition. 2. work done in Corpus Christi, Texas. Shick 1975 [Text only]

Aurelia aurita: [buoyancy] 1. possible exclusion of heavy sulphate ions to increase buoyancy. Bidigare & BIggs 1980 [Photo]

Aurelia aurita: [swimming, symbiont, velocity] 1. description of swimming mode. Costello & Colin 1994 [Photo]

Aurelia aurita: [behaviour, diel, swimming] 1. proposed orientation to sun. Hamner et al. 1994 [Drawing, Graph]

Aurelia aurita: [development, life cycle] 1. description of strobilation in the European Aurelia aurita. Percival 1923 [Photo, Drawing]

Aurelia aurita: [development, growth] 1. growth of medusae to adult (40mm dia) in 40d in the Gulf of Mexico. Spangenberg 1965 [Photo]

Aurelia aurita: [asexual, budding, reproduction] 1. conditions favouring budding of scyphistoma polyps in Virginia. Coyne 1973 [Graph]

Aurelia aurita: [larva, reproduction, settlement] 1. settlement of planula larvae. Brewer 1978 [Text only]

Aurelia labiata: [life cycle, reproduction] 1. generalised life cycle of a jellyfish. Lucas 2001 [Photo, Drawing]

Aurelia labiata: [food] 1. studies on importance of jellyfish predation on fish larvae. 2. experiments done in Scotland. Bailey & Batty 1983 [Graph]

Aurelia labiata: [carnivore, food] 1. importance of jellyfish predation on fish larvae. Bailey & Batty 1984 [Graph]

Aurelia labiata: [prey] 1. eaten by jellyfish Phacellophora camtschatica. Strand & Hamner 1988 [Photo]

Aurelia labiata: [swimming] 1. video of swimming individual. [Video]

Aurelia labiata: [diet] 1. summer diet in Alaska is primarily copepods. Purcell & Sturdevant 2001 [Photo, Graph]

Aurelia labiata: [diet] 1. diet in Alaska. 2. some dietary overlap with commercial fishes. Purcell 2003 [Photo]

Aurelia labiata: [growth] 1. experiments on optimal temperature for growth. 2. done at the Monterey Bay Aquarium. Widmer 2005 [Photo]

Aurelia labiata: [] 1. diets in Oregon mainly euphausid eggs and larvae. 2. some overlap with diets of fishes and Chrysaora fuscescens. Brodeur et al. 2008 [Graph]

Aurelia labiata: [diet] 1. adults in Oregon opportunistically prey on a variety of planktonic animals. Suchman et al. 2008 [Photo]

Aurelia labiata: [swimming] 1. video of many individuals swimming. [Video]

Aurelia labiata: [aggregation, behaviour, swimming] 1. details of aggregated swimming behaviour. Purcell et al. 2000 [Photo]

Aurelia labiata: [behaviour, swimming] 1. observations on different behaviours exhibited during swimming. Albert 2008 [Photo, Graph]

Aurelia labiata: [photo courtesy] 1. photo courtesy Eric Broberg, British Columbia. Broberg [Photo]

Aurelia labiata: [behaviour, swimming] 1. observations of field behaviour during swimming. Albert 2012 [Text only]

Aurelia labiata: [behaviour, neural] 1. imaginative descriptions of neural capabilities. Albert 2011 [Text only]

Aurelia labiata: [life cycle, reproduction] 1. generalised life cycle as in other species. Grondahl 1988 [Photo, Drawing]

Aurelia labiata: [asexual, reproduction, budding] 1. description of budding in the scyphistoma (polyp) stage. Gilchrist 1937 [Drawing]

Aurelia labiata: [life cycle, reproduction] 1. studies in Roscoe Bay, British Columbia. Albert 2005 [Text only]

Aurelia labiata: [behaviour, reproduction] 1. behaviour favourable to reproduction. Albert 2007 [Drawing]

Aurelia labiata: [development, growth, reproduction] 1. laboratory study of conditions favourable for production of buds and ephyrae. Purcell 2007 [Photo, Graph]

Aurelia labiata: [asexual, reproduction] 1. field study of strobilation intensity in polyps. Purcell et al. 2009 [Photo, Graph]

Aurelia  labiata: [carnivore, food] 1. all life stages eat larval herring Clupea harengus pallasii. 2. identified incorrectly as Aurelia aurita in the paper. Arai & Hay 1982 [Drawing]

Aurelia  aurita: [behaviour, escape, predation] 1. description of Aurelia's escape behaviour from jellyfishes Phacellophora camtschatica. Strand & Hamner 1988 [Photo, Drawing, Graph]

Auricularia : [suspension feeding] 1. description of ciliary-band feeding. Strathmann 1971 [Drawing]

Axiothella rubrocincta: [diet, feeding] 1. description of diet and feeding. Kudenov 1978 [Drawing]

Axiothella rubrocincta: [feeding] 1. field studies on feeding rates. Kudenov 1982 [Drawing]

Axiothella rubrocincta: [competitive exclusion] 1. potential competition with 6 species of smaller spionid worms in Tomales Bay, California. Weinberg 1979 [Text only]

Axiothella rubrocincta: [predation, regeneration] 1. effects of experimental removal of tail ends to mimic loss to predators. Woodin 1984 [Graph]

Balanophyllia elegans: [aggression] 1. interspecific aggression against Corynactis californica. Chadwick 1987 [Drawing]

Balanophyllia elegans: [competition, interspecific] 1. competition with 3 other cnidarian species. Chadwick 1991 [Photo, Graph]

Balanophyllia elegans: [] 1. video showing even spacing between individuals. [Video]

Balanophyllia elegans: [competition, interspecific] 1. out-competed for space by algae. Coyer et al. 1993 [Photo, Graph]

Balanophyllia elegans: [competition, interspecific] 1. competitively dominant over colonial tunicates Trididemnum opacum. Bruno & Witman 1996 [Photo, Drawing]

Balanophyllia elegans: [distribution, temperature , depth] 1. populations occur only subtidally south of Point Conception, California coincidental with higher water temperature. Gerrodette 1979 [Drawing, Graph]

Balanophyllia elegans: [dispersal, genetics] 1. highly restricted gene flow commensurate with limited dispersal potental. Hellberg 1995 [Photo]

Balanophyllia elegans: [feeding, food] 1. brief description of food and feeding. [Photo]

Balanophyllia elegans: [defense, predation] 1. photographs of nematocyst batteries, a withdrawn polyp, and a sensitive sunflower star Pycnopodia helianthoides. [Photo]

Balanophyllia elegans: [planula, reproduction] 1. crawling planula larvae released during winter/early spring. Fadlallah & Pearse 1982 [Photo, Graph]

Balanophyllia elegans: [larval dispersal] 1. species dispersal is limited to larval-crawling potential. Gerrodette 1981 [Text only]

Balanophyllia elegans: [fecundity, reproduction] 1. annual fecundity is relatively low, at about 30-40 embryos per large female, but survival is high. Fadlallah 1983 [Graph]

Balanophyllia elegans: [life cycle, reproduction, gametogenesis] 1. planula release governed by temperature. Beauchamp 1993 [Photo]

Balanophyllia elegans: [polyp] 1. unusual fusion of genetically distinct polyps. Hellberg & Taylor 2002 [Photo]

Balanophyllia elegans: [cues, larva, settlement] 1. larvae discriminate between different habitat conditions. Altieri 2003 [Photo, Graph]

Balanus balanoides: [development, attachment] 1. comparison of attachment strengths at different stages of development. Crisp et al. 1985 [Table of Data]

Balanus balanoides: [cyprid larva] 1. features of "footprints" left behind by the antennule tips as the cyprid assesses its environment. Walker & Yule 1984 [Photo]

Balanus crenatus: [growth, current velocity] 1. comparison of effects of current velocity on growth rates in 4 species of barnacles. Eckman & Duggins 1993 [Graph]

Balanus crenatus: [larva, larval dispersal, settlement, tides] 1. patterns of settlement of larvae in relation to tidal cycles. Grosberg 1982 [Graph]

Balanus crenatus: [development, life cycle] 1. development through metamorphosis. Herz 1933 [Photo, Drawing]

Balanus crenatus: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Balanus glandula: [attachment, cyprid larva] 1. description of cement gland of larva. Khandeparker Anil 2007 [Photo, Drawing]

Balanus glandula: [feeding, cirrus] 1. description of cirral-net feeding . [Photo]

Balanus glandula: [cirrus, water flow] 1. relationship of cirrus lengths with current velocity. Arsenault et al. 2001 [Graph]

Balanus glandula: [cirrus, scaling] 1. comparison with 3 other species. Marchinko & Palmer 2003 [Photo, Graph]

Balanus glandula: [cirrus, water flow, wave exposure] 1. effects of currents and waves on cirrus length. Marchinko 2003 [Photo, Graph]

Balanus glandula: [cirrus, water flow] 1. cirrus leg lengths at different current velocities. Li & Denny 2004 [Text only]

Balanus glandula: [cirrus, water flow, wave exposure, plasticity] 1. effect of water velocity on feeding behaviour. Marchinko 2007 [Graph]

Balanus glandula: [growth, cement ] 1. description of how cement glands are involved in growth. Lacombe 1970 [Photo, Drawing]

Balanus glandula: [cement , growth] 1. involvement of cement glands in growth. Wiegemann 2005 [Photo, Drawing]

Balanus glandula: [cement , growth] 1. involvement of cement glands in growth. Khandeparker Anil 2007 [Photo, Drawing]

Balanus glandula: [energy budget, growth, moulting] 1. seasonal variation in growth and energy budgeting. Wu & Levings 1978 [Graph, Table of Data]

Balanus glandula: [growth] 1. comparative growth in 3 species of barnacles. Hines 1979 [Graph]

Balanus glandula: [growth, water flow] 1. comparison of effects of current velocity on growth in 3 barnacle species. Eckman & Duggins 1993 [Graph]

Balanus glandula: [growth, wave exposure, upwelling] 1. comparison of effect of wave exposure and upwelling on growth in 2 species of barnacles. Sanford & Menge 2001 [Drawing, Graph]

Balanus glandula: [competition, cyprid larva, intraspecific, settlement] 1. settlement behaviour and spacing in cyprid larvae. [Photo, Drawing]

Balanus glandula: [growth, reproduction] 1. effects of crowding on growth and reproduction. Wu et al. 1977 [Graph]

Balanus glandula: [density, reproduction] 1. effects of crowding on reproduction. Wethey 1984 [Graph]

Balanus glandula: [habitat, recruitment] 1. aspects of habitat in relation to recruitment. Schubart et al. 1995 [Photo, Graph]

Balanus glandula: [wave exposure] 1. effect of wave exposure on various body dimensions. Pentcheff 1991 [Drawing, Graph]

Balanus glandula: [trampling] 1. effect of foot traffic on survival of rock-inhabiting sessile organisms, including barnacles and seaweeds. Jenkins et al. 2002 [Photo, Graph]

Balanus glandula: [predation] 1. predation by insect larvae Oedoparena. Harley & Lopez 2003 [Drawing, Graph]

Balanus glandula: [competition, interspecific] 1. competition with Chthamalus dalli and Semibalanus cariosus. Dayton 1971 [Photo]

Balanus glandula: [competition, interspecific] 1. competition with Chthamalus dalli. Paine 1981 [Graph]

Balanus glandula: [competition, interspecific] 1. competition with mussels Mytilus californianus and barnacles Semibalanus cariosus. Lee & Ambrose 1989 [Photo]

Balanus glandula: [competition, interspecific] 1. competition with barnacles Balanus glandula and various seaweeds. Farrell 1991 [Photo, Graph]

Balanus glandula: [competition, interspecific] 1. competition with barnacles Chthamalus dalli. Farrell 1989 [Photo, Graph]

Balanus glandula: [character displacement, cirrus, competitive exclusion] 1. analysis of 6 species of barnacles with respect to character displacement of ramus length of cirri. Marchinko et al. 2004 [Drawing, Graph]

Balanus glandula: [growth, nauplius larva, ration] 1. best food ration to reach cypris stage. Hentschel & Emlet 2000 [Graph]

Balanus glandula: [larva, settlement, upwelling] 1. oceanic conditions favouring settlement of larvae. Farrell et al. 1991 [Photo]

Balanus glandula: [photo courtesy] 1. photos courtesy Scripps Satellite Oceanographic Facility, La Jolla, California. Scripps []

Balanus glandula: [larval dispersal, tides] 1. larval transport by internal tidal waves. Shanks & Wright 1987 [Text only]

Balanus glandula: [genetics, larval dispersal, water flow] 1. latitudinal distribution of genotypes in relation to distribution of larvae by currents. Sotka et al. 2004 [Drawing]

Balanus glandula: [genetics, water flow] 1. latitudinal genetic split maintained by oceanographic mechanisms. Wares & Cunningham 2005 [Text only]

Balanus glandula: [larva, larval dispersal, mortality] 1. information on distribution and mortality of larvae in inshore waters. Tapia & Pineda 2007 [Graph]

Balanus glandula: [larval dispersal, settlement, wave exposure] 1. larval transport and survival in relation to beach morphology and wave intensity. Shanks et al. 2010 [Photo, Graph]

Balanus glandula: [predator, survival] 1. survival favoured if limpets Lottia digitalis are excluded from the habitat. Paine 1981 [Photo, Graph]

Balanus glandula: [predator, settlement, survival, spat] 1. experiments on protection from limpet bulldozing of surface features of the habitat. 2. barnacle larvae preferentially settle in depressions. Miller & Carefoot 1989 [Photo, Graph]

Balanus glandula: [spat, survival] 1. poorer survival of spat from limpet bulldozing in comparison with spat of Chthamalus dalli. Menge et al. 2010 [Text only]

Balanus glandula: [larva, larval dispersal, settlement, tides] 1. settlement patterns of larvae in relation to tidal cycles. Grosberg 1982 [Graph]

Balanus glandula: [larva, larval dispersal, settlement, tides] 1. settlement patterns of larvae in relation to tidal cycles. Grosberg 1982 [Graph]

Balanus glandula: [larva, settlement, oceanic processes] 1. variability in settlement of larvae in relation to oceanic processes. Gaines et al. 1985 [Photo, Graph]

Balanus glandula: [cyprid larva, oceanic processes, recruitment, settlement] 1. upwelling events involved in settlement of cyprid larvae. Roughgarden et al. 1991 [Graph]

Balanus glandula: [el Niño] 1. latitudinal recruitment during el Nino year. Connolly & Roughgarden 1999 [Drawing, Graph]

Balanus glandula: [recruitment] 1. effect of headlands on recruitment in Oregon and California. Connolly et al. 2001 [Drawing, Graph]

Balanus glandula: [genetics, recruitment, water flow] 1. effect of Point Conception headland on genetic structure along the west coast. Wares et al. 2001 [Drawing]

Balanus glandula: [larval dispersal, settlement, water flow, thermocline] 1. comparison of settlement in 2 areas differing in thermocline characteristics and water flow. Pineda & Lopez 2002 [Graph]

Balanus glandula: [settlement, productivity] 1. comparison of settlement in 2 areas differing in primary productivity. Leslie et al. 2005 []

Balanus glandula: [recruitment, temperature ] 1. recruitment along the west coast in relation to sea-surface temperatures. Broitman et al. 2008 [Drawing, Graph]

Balanus glandula: [recruitment, settlement] 1. assessment methodologies used play a large role in the type of results obtained. Shanks 2009 [Photo, Graph]

Balanus glandula: [recruitment, settlement] 1. assessment of methodologies used in studies of settlement and recruitment. Shanks 2009 [Photo, Graph]

Balanus glandula: [genetics, settlement, upwelling] 1. effects of upwelling on larval transport, settlement, and spatial genetic variation along the Oregon coast. Barshis et al. 2011 [Drawing, Graph]

Balanus glandula: [physiological ecology, salinity] 1. salinity tolerance. Bergen 1968 [Photo]

Balanus glandula: [growth, salinity, survival] 1. growth and survivorship in an Oregon estuary. Berger et al. 2006 [Drawing, Graph]

Balanus glandula: [heat-shock proteins, temperature stress] 1. effect of thermal stress on levels of heat-shock proteins. Berger & Emlet 2007 [Graph]

Balanus glandula: [physiological ecology, reproduction, salinity] 1. effect of salinity variation on reproductive output in an Oregon estuary. Berger 2009 [Text only]

Balanus glandula: [recruitment, settlement] 1. settlement variability in barnacles. Gaines & Roughgarden 1985 [Photo, Graph]

Balanus glandula: [recruitment, succession, ecology] 1. role of recruitment intensity and succession in community structure. Forde & Raimondi 2004 [Photo]

Balanus glandula: [food quality, growth, temperature ] 1. effects of nutrition and temperature on growth and fitness. Emlet & Sadro 2006 [Graph]

Balanus glandula: [desiccation, predation, recruitment, salinity, survival, ultraviolet] 1. post settlement survival of recruits. Gosselin & Qian 1996 [Photo]

Balanus glandula: [defense, predation] 1. kelp canopy protects larvae from fish predators. Gaines & Roughgarden 1987 [Table of Data]

Balanus glandula: [defense, nutrition, shadow response] 1. effect of various factors such as nutritive state and air-exposure on shadow response. Dill & Gillett 1991 [Graph]

Balanus glandula: [life cycle, reproduction] 1. introductory material to topic of reproduction and life cycle. Pechenik et al. 1998 [Photo, Drawing]

Balanus glandula: [photo courtesy] 1. photo courtesy Chris Neufeld & Rich Palmer, University of Alberta, Edmonton. Neufeld & Palmer [Photo]

Balanus glandula: [cyprid larva, development, nauplius larva] 1. development through to cyprid larva. Brown & Roughgarden 1985 [Photo, Drawing]

Balanus glandula: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Balanus glandula: [development, fecundity] 1. comparative developmental schedule between Ladysmith Harbour, British Columbia and La Jolla, California. Barnes & Barnes 1956 [Graph]

Balanus glandula: [reproduction, broods] 1. comparison of brood numbers seasonally in 3 species including Chthamalus fissus and Tetraclita squamosa. Hines 1978 [Photo, Graph]

Balanus glandula: [broods, reproduction, intertidal level] 1. effect of intertidal level and other factors on brood production. 2. comparison with Chthamalus fissus and Tetraclita squamosa. Hines 1979 [Graph]

Balanus glandula: [reproduction, fertilisation success] 1. effect of nearest-neighbour distance on fertilisation success. Wu 1981 []

Balanus glandula: [broods, larva, reproduction] 1. brood number and time spent in plankton. Gaines et al. 1985 [Text only]

Balanus glandula: [reproduction, wave exposure, morphology] 1. effects of wave velocity on penis length. Neufeld & Palmer 2008 [Photo, Drawing, Graph]

Balanus glandula: [development, nauplius larva, model] 1. construct model of larval development. Pfeiffer-Hoyt & McManus 2005 [Text only]

Balanus glandula: [predator, withdrawal] 1. withdraws cirri in presence of predator, but not in presence of non-predator. 2. several species of sea stars and snails tested. Palmer et al. 1982 [Photo, Graph]

Balanus glandula: [cyprid larva, intertidal level, settlement, substratum preference] 1. larvae preferentially settle on substrata bearing microflora from a lower interidal level. Strathmann et al. 1981 [Photo, Graph]

Balanus glandula: [cyprid larva, settlement, substratum preference] 1. review of reproductive ecology in marine invertebrates, including barnacles. Strathmann 1979 [Graph]

Balanus glandula: [cyprid larva, settlement, substratum preference] 1. larvae prefer to settle in empty tests of other barnacles, such as Chthamalus dalli. Qian & Liu 1990 [Photo, Graph]

Balanus glandula: [cyprid larva, growth, settlement, substratum preference, survival] 1. effects on later growth and survival of preferentially settling on either rock or mussels. Lohse 1993 [Photo, Graph]

Balanus glandula: [cyprid larva, settlement, conspecific] 1. photograph showing spat settled on conspecific adult. [Photo]

Balanus glandula: [cyprid larva, settlement] 1. comparison of settlement times and features with 2 other species Chthamalus fissus and Tetraclita squamosa. Hines 1979 [Photo]

Balanus glandula: [cyprid larva, distribution, intertidal level, settlement] 1. selection of favourable spots to settle by use of various indicator species present in the habitat. Strathmann & Branscomb 1979 [Photo]

Balanus glandula: [cyprid larva, settlement, ultraviolet] 1. experiments using UV filters show no effect of UV on settlement. Gosselin & Jones 2010 [Photo]

Balanus glandula: [distribution, intertidal level, predation] 1. differential predation by whelks Nucells spp. sets lower limits of distribution. Connell 1970 [Photo, Drawing]

Balanus glandula: [borehole, predation, preferences] 1. preference by predatory whelks for suture lines between shell plates to bore. Palmer 1982 [Photo, Graph]

Balanus glandula: [cyprid larva, settlement, substratum preference] 1. cyprids avoid settling in areas frequented by predatory whelks Nucella lamellosa. Johnson & Strathmann 1989 [Graph]

Balanus glandula: [community, habitat] 1. detailed description of community composition and interacttions in upper-level barnacle/red alga zone on rocky shores. Glynn 1965 [Photo]

Balanus glandula: [reproduction, settlement] 1. in Monterey Bay settlement tends to be random. 2. comparison with acorn barnacle Chthamalus dalli and goose barnacle Pollicipes polymerus. Satchell & Farrell 1993 [Photo, Graph]

Balanus glandula: [community] 1. effect on grazing activity of limpets Lottia spp.. Geller 1991 [Graph]

Balanus glandula: [anoxia, recruitment] 1. recruitment correlates with relaxation of upwelling along the Oregon coast. Dudas et al. 2009 [Drawing, Graph]

Balanus nubilis: [attachment] 1. description of cement glands. Lacombe 1970 [Photo, Drawing]

Balanus nubilis: [photo courtesy] 1. photo courtesy Arsenault et al. 2001 Proc Roy Soc Lond B 168: 2149. Arsenault et al. 2001 [Photo]

Balanus nubilis: [filter-feeding] 1. feeding with cirri held stationary. [Video]

Balanus nubilis: [filter-feeding] 1. feeding with cirri held stationary. [Video]

Balanus nubilis: [development, nauplius larva, reproduction] 1. description of naupliar development. Barnes & Barnes 1959 [Photo, Drawing]

Balanus spp.: [food] 1. list of foods of west-coast barnacles. Barnes 1959 [Photo]

Bankia setacea: [age, burrowing] 1. use X-ray methodology to plot burrow dimensions over time. Haderlie & Mellor 1972 [Photo]

Bankia  setacea: [competition, interspecific] 1. out-competed by the smaller Teredo navalis. Miller 1926 [Drawing]

Bankia  setacea: [burrowing, competition, intraspecific] 1. features of burrow disposition. Haderlie & Mellor 1972 [Photo]

Bankia  setacea: [burrowing, digestion] 1. ideas on digestion of wood in shipworms. Crosby & Reid 1971 [Photo]

Bankia  setacea: [photo courtesy] 1. photo courtesy Faculty of Forestry, University of British Columbia. Faculty of Forestry, UBC [Photo]

Bankia  setacea: [digestion] 1. evidence for some digestion of wood. Miller & Boynton 1924 [Text only]

Bankia  setacea: [protandry, reproduction] 1. compares with Teredo navalis. Coe 1941 [Photo]

Barnacle : [growth, moulting] 1. general description of growth and moulting. [Photo]

Barnacle : [cyprid larva, settlement, gregariousness] 1. quiz on benefits of gregarious settlement of larvae of barnacles. [Text only]

Barnacle : [succession] 1. short explanation of models of succession. Connell & Slatyer 1977 [Text only]

Barnacle : [larval dispersal, water flow, drift paradox] 1. effect of unidirectional currents on upstream extinctions. Shanks & Eckert 2005 [Text only]

Barnacle : [defense, predator] 1. introduction to predator/defense section. [Photo, Text only]

Barnacle : [cyprid larva, settlement] 1. introductory remarks about settlement cues for barnacles. [Drawing]

Barnacle : [substratum preference] 1. photographs of newly settled spat in crevices and grooves. [Photo]

Barnacle : [quiz] 1. quiz on advantages to larve of preferentially settling in cracks and depressions. [Text only]

Barnacle : [chemical, cyprid larva, settlement] 1. settlement inducer arthropodin is present in the exoskeleton and other parts of barnacles. Crisp 1965 [Graph]

Barnacle : [cyprid larva, substratum preference] 1. description of sensory parts of antennule of larva used in chemical perception of the substratum. Crisp et al. 1985 [Drawing]

Barnacle : [home] 1. introduction to barnacles in home file for barnacle part of the Odyssey. [Text only]

Barnacle : [] 1. snail meets barnacle animation. [Animation]

Barnacle : [map] 1. snail's map with barnacle highlighted. [Drawing]

Barnacle : [classification] 1. classification of InfraClass Cirripedia, including barnacles. [Text only]

Barnacle spp.: [defense] 1. deals in part with avoidance of substratum where predator has frequented. Grosberg 1981 [Text only]

Basket star : [home] 1. introduction to basket stars and brittle stars in home file for basket part of the Odyssey. [Text only]

Basket star : [] 1. snail meets basket star. [Animation]

Basket star : [map] 1. snail's map with basket star highlighted. []

Basket star : [classification] 1. classification of Class Ophiuroidea, including basket stars and brittle stars. [Text only]

Batillaria attramentaria: [burrowing, feeding] 1. mentions burrowing behaviour. Swinbanks & Murray 1981 [Photo]

Batillaria attramentaria: [community] 1. field studies on effects of an introduced snail on community dynamics. Wonham et al. 2005 [Photo]

Batillaria attramentaria: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Blepharipida occidentalis: [burrowing, efficacy] 1. comparison with 2 other Californian mole-crab species. Dugan et al. 2000 [Graph]

Brittle star : [life cycle, reproduction, ophiopluteus] 1. life cycle including ophiopluteus larva. Baiser 1998 [Photo]

Brittle star : [feeding] 1. video of brittle stars feeding. [Video]

Callinectes sapidus: [hormone, moulting] 1. description of hormal control of moulting in crabs. Tamone et al. 2005 [Photo]

Calliostoma : [chemical, defense] 1. apparently no coating of defensive mucus on shell. Keen 1975 [Photo]

Calliostoma annulatum: [photo courtesy] 1. photo courtesy Ron Long, SFU. Long []

Calliostoma annulatum: [feeding, preferences] 1. food preferences are for hydroids. Perron 1975 [Photo]

Calliostoma canaliculatum: [defense, chemical] 1. mucus coating on shell provides chemical defense. Keen 1975 [Photo]

Calliostoma canaliculatum: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle. Schroeder [Photo]

Calliostoma canaliculatum: [chemical, defense] 1. releases viscid yellow secretion from hypobranchial gland in response to sea stars Pycnopodia and Pisaster. Bryan et al. 1997 [Graph]

Calliostoma canaliculatum: [feeding, preferences] 1. scrape diatoms, some scavenging . Keen 1975 [Photo]

Calliostoma canaliculatum: [photo courtesy] 1. photograph courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle. Schroeder [Photo]

Calliostoma ligatum: [behaviour, defense] 1. tumbling escape response to sea stars. 2. effect of narcotisation of snails on defensive behaviour. Harrold 1982 [Photo, Graph]

Calliostoma ligatum: [development] 1. research questioning the role of larval retractor muscles in torsion. Page 2002 [Photo]

Calliostoma ligatum: [reproduction] 1. study of spawning and embryonic development to metamorphosis and early juvenile. Holyoak 1968 [Photo, Drawing]

Calliostoma ligatum: [coiling, shell] 1. factors involved in initiation of shell coiling. Collin & Voltzow 1998 [Photo]

Calliostoma ligatum: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Calliostoma ligatum: [mimicry] 1. possible mimicry between amphipod and snail. Carter & Behrens 1980 [Photo]

Calliostoma spp.: [photo courtesy] 1. several photographs of trochid snails (Calliostoma). Schroeder [Photo]

Calliostoma spp.: [locomotion] 1. examples of gastropods that use a direct-ditaxic type of locomotion. [Photo]

Calliostoma variegatum: [] 1. food preferences are for hydroids. Perron 1975 [Photo]

Calliostoma zizyphinum: [chemical, defense] 1. mucus coating on shell provides chemical defense. Jones 1984 []

Calliostoma  annulatum: [feeding, locomotion] 1. food-finding behaviour. [Video]

Calliostoma  canaliculatum: [chemical, defense] 1. secretions from snail show K-blocking activity. Kelley et al. 2003 [Photo]

Calliostoma  ligatum: [breaking strength] 1. comparison of physical properties of shell when live and when being used by hermit crabs Pagurus spp.. LaBarbera & Merz 1992 [Graph]

Cancer antennarius: [predation] 1. effect of scent on escape behaviour in trochid snails. Geller 1982 [Photo]

Cancer antennarius: [exoskeleton permeability] 1. comparison among 6 species west-coast crabs. Gross 1955 [Graph]

Cancer antennarius: [development, larva, prezoea larva] 1. presence of a prezoeal larva confirmed. Roesijadi 1976 [Photo, Drawing]

Cancer antennarius: [reproduction, season, ovigerous] 1. compares with Cancer anthonyi in California. Reilly 1987 [Graph]

Cancer anthonyi: [predator] 1. in Mugu Lagoon, California eats clams Protothaca staminea. Peterson 1982 [Photo]

Cancer anthonyi: [development, larva] 1. description of larval development. Anderson 1978 [Photo, Drawing]

Cancer anthonyi: [photo courtesy] 1. photo courtesy Dave Gardner, Southern California. Gardner [Photo]

Cancer anthonyi: [reproduction, season] 1. compares with Cancer antennarius in California. Reilly 1987 [Graph]

Cancer gracilis: [camouflage, epibiont] 1. description of growths on exoskeleton. McGaw 2006 [Photo, Drawing, Graph]

Cancer gracilis: [defense, predator] 1. selects prey hermit crabs Pagurus granosimanus on basis of shell-size occupied. Vance 1972 [Photo]

Cancer gracilis: [growth, mating, moulting] 1. "mating systems" compared among 4 cancroid species. Orensanz & Gallucci 1988 [Graph]

Cancer gracilis: [behaviour, osmoconformer] 1. exhibits bradycardia in low salinities. 2. behavioral regulation of body fluids. Curtis et al. 2007 [Photo, Graph]

Cancer gracilis: [photo courtesy] 1. photo courtesy Iain McGaw, Memorial University, Newfoundland. McGaw [Photo]

Cancer gracilis: [oxygen consumption, salinity, stress] 1. effect of feeding, salinity stress on oxygen uptake and ventilation rate. McGaw 2006 [Graph]

Cancer gracilis: [digestion, salinity] 1. in lower salinities clearance time of the gut takes longer. McGaw 2006 [Graph]

Cancer gracilis: [digestion, activity] 1. activity takes priority over digestion. McGaw 2007 [Drawing]

Cancer gracilis: [exoskeleton permeability] 1. comparison among 6 species of west-coast crabs. Gross 1955 [Graph]

Cancer gracilis: [larva, reproduction] 1. description of larval stages. Ally 1975 [Photo, Drawing]

Cancer gracilis: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Cancer gracilis: [copulation, reproduction, spermatophore] 1. excellent detail of copulatory behaviour and spermatophore morphology and function. Orensanz et al. 1995 [Photo, Graph]

Cancer gracilis: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Cancer magister: [predator, preferences] 1. test of predator preference (2 crab species) for 3 species of bivalves. Dudas et al. 2005 [Photo, Graph]

Cancer magister: [camouflage, epibiont] 1. description of growths on exoskeleton. McGaw 2006 [Photo, Drawing, Graph]

Cancer magister: [competition, intraspecific] 1. aggressive interactions between early instars. Jacoby 1983 [Photo]

Cancer magister: [aggression, competition] 1. out-competed by introduced green crabs Carcinus maenas. Grosholz & Ruiz 1995 [Photo]

Cancer magister: [aggression, competition, interference] 1. out-competed by green crabs Carcinus maenas for habitat space in both field and lab experiments. McDonald et al. 2001 []

Cancer magister: [competition, efficacy, feeding, mechanical advantage] 1. compare efficiency of claw usage with that of green crabs Carcinus maenas. Behrens Yamada et al. 2010 [Drawing, Graph]

Cancer magister: [efficacy, larva, technique] 1. compares efficacy of light traps vs. plankton tows to assess larval abundance. 2. species mainly from 4 families. Porter et al. 2008 [Graph]

Cancer magister: [defense, survival, burial] 1. tests of survival at different experimental burial depths. Chang & Levings 1978 [Photo]

Cancer magister: [burial, quiz] 1. quiz on burial behaviour. [Photo]

Cancer magister: [burial, defense, energetics] 1. burial for defense and energy savings. 2. description of gill irrigation. McGaw 2004 [Photo]

Cancer magister: [predation, stimulus] 1. experiments on effect of effluent water and video imagery on hiding away response of hermit crabs Pagurus granosimanus. Rosen et al. 2009 [Graph]

Cancer magister: [behaviour, diel] 1. frequent intertidal areas more at night than in the day. Stevens et al. 1984 [Photo]

Cancer magister: [dispersal, locomotion, mark-recapture] 1. 3yr study in California shows remarkable site fidelity. Diamond & Hawkin 1985 [Graph]

Cancer magister: [dispersal, locomotion, mark-recapture] 1. relatively little movement from point of tagging. Smith & Jamieson 1990 [Text only]

Cancer magister: [feeding] 1. description of feeding in crabs. [Photo]

Cancer magister: [feeding] 1. description of feeding in crabs. [Photo]

Cancer magister: [morphology] 1. mechanics of claw operation. [Photo]

Cancer magister: [morphology, claw] 1. assessment of claw damage in field animals. 2. handling times of prey when claws are damaged. Juanes & Hartwick 1990 [Graph]

Cancer magister: [claw, function, quiz] 1. quiz on sex/reproductive effects of damaged claws on the owner. [Text only]

Cancer magister: [claw, function, lever, mechanical advantage] 1. general description of claw function. [Photo]

Cancer magister: [gas exchange] 1. general description for a brachyuran crab. [Photo]

Cancer magister: [gas exchange] 1. crabs move out of hypoxic conditions. Bernatis et al. 2007 [Photo, Graph]

Cancer magister: [genetics, haplotypes] 1. genetically homogenous in British Columbia, save for one population inhabiting area of poor water circulation. Beacham et al. 2008 [Photo, Drawing]

Cancer magister: [behaviour, larva, reproduction] 1. observations on zoeal hatching and larval behaviour. Lough 1976 [Photo]

Cancer magister: [megalopa, settlement, water flow] 1. experiments in flume apparatus. Fernandez et al. 1994 [Photo]

Cancer magister: [feeding, hummock, larva, survival] 1. estimates of optimal diets for zoea larvae. 2. comparison with Hemigrapsus oregonensis. Sulkin et al. 1998 [Text only]

Cancer magister: [larva, nutritional content, survival] 1. nutritional quality of prey depends upon what the prey have been eating. 2. comparison with 3 other species of cancroid crabs: Cancer oregonensis, C. gracilis, and C. productus. Sulkin & McKeen 1999 [Graph]

Cancer magister: [larva, reproduction, season] 1. seasonal timing of appearance of zoea larvae of representatives of 5 families of brachyurans. Fisher 2006 [Text only]

Cancer magister: [locomotion, apodeme] 1. description of tension receptors in the apodemes. MacMillan & Dando 1972 [Photo]

Cancer magister: [carnivore, food] 1. feeds on a variety of small invertebrates. MacKay 1942 [Photo]

Cancer magister: [diet, food] 1. analyses of gut contents in Humboldt Bay, California. Gotshall 1977 [Table of Data]

Cancer magister: [diet] 1. eats various shellfish in the Strait of Juan de Fuca. Pearson et al. 1979 [Text only]

Cancer magister: [chemical, perception] 1. prey detected by antennules through chemotactile stimulation. Pearson et al. 1979 [Graph]

Cancer magister: [diet] 1. calculate indices of relative importance for crabs in Gray's Harbor, Washington. 2. no actual estimation of preference. Stevens et al. 1982 [Graph]

Cancer magister: [diet, preferences] 1. juveniles in Coos Bay, Oregon readily eat small bivalves such as Transennella tantilla. Asson-Batres 1986 [Photo]

Cancer magister: [cannibalism] 1. contrived shell habitat protects "young-of-the-year" from predation by adults. Fernandez 1999 [Graph]

Cancer magister: [dispersal, nutrition] 1. hungry crabs move more than fed crabs in British Columbia. Bernatis et al. 2007 [Text only]

Cancer magister: [growth, moulting] 1. moult 12 times before reaching sexual maturity. MacKay 1942 [Photo, Graph]

Cancer magister: [age, growth, moulting] 1. legal size reached in 4yr after 14 moults in Haida Gwaii, British Columbia. Butler 1961 [Graph]

Cancer magister: [growth, habitat, ontogenetic shift] 1. habitat change with age. Stevens & Armstrong 1984 [Photo, Graph]

Cancer magister: [growth, mating, moulting] 1. "mating system" compared among 4 cancroid species. Orensanz & Gallucci 1988 [Graph]

Cancer magister: [growth, latitudinal, moulting] 1. growth & moulting Alaska to California. Wainwright & Armstrong 1993 [Drawing, Graph]

Cancer magister: [breakage, claw, safety factor] 1. comparison with C. oregonensis. Taylor et al. 2000 [Graph]

Cancer magister: [omnivory] 1. juvenile instars are primarily herbivorous. 2. test various diets. Jensen & Aspien 1997 [Photo]

Cancer magister: [photo courtesy] 1. photo of 3rd-instar juvenile courtesy The Watershed Project, Richmond, Caliornia. The Watershed Project [Photo]

Cancer magister: [osmotic regulation] 1. some hyperosmotic regulation in dilute salinities. Hunter & Rudy 1975 [Photo, Graph]

Cancer magister: [osmotic regulation] 1. strong hypotonic regulation of magnesium ion. Engelhardt & Dehnel 1973 [Graph]

Cancer magister: [salinity, sensory] 1. sensitive and responsive to small changes in external salinity. Sugaman et al. 1983 [Text only]

Cancer magister: [development, osmotic regulation] 1. some ability for hyperosmotic regulation by all life stages. 2. magnesium ion regulated strongly. Brown & Terwilliger 1992 [Graph]

Cancer magister: [activity, diel, tides, biologging] 1. daily activities correspond with tidal and salinity cycles. Curtis & McGaw 2008 [Photo, Graph]

Cancer magister: [digestion, feeding, salinity] 1. feeding and food processing diminished in low salinities. Curtis et al. 2010 [Graph]

Cancer magister: [predation] 1. description of dietary items of west-coast late-Holocene peoples. Losey et al. 2004 [Photo]

Cancer magister: [ecological interaction] 1. mass mortality in Grayland, Washington. Stevens & Armstrong 1981 [Text only]

Cancer magister: [predation] 1. eaten by sculpins Leptocottus armatus in Grays Harbor, Washington. Armstrong et al. 1995 [Photo, Graph]

Cancer magister: [nutritional content, predation] 1. number 1 preferred prey of sea otters Enhydra lutris in Santa Cruz, California. Ostfeld 1982 [Photo, Table of Data]

Cancer magister: [fecundity, reproduction] 1. compares reproductive output in 10 west-coast species. 2. this is the most fecund. Hines 1982 [Photo, Graph]

Cancer magister: [mating, reproduction] 1. scratch marks on claws after copulation . [Photo]

Cancer magister: [photo courtesy] 1. photo courtesy Antan Phillips, DFO, Nanaimo. Phillips [Photo]

Cancer magister: [acoustic transmitter, larva, reproduction] 1. description of larval stages. Mackay 1942 [Drawing]

Cancer magister: [reproduction] 1. breeding in Haida Gwaii, British Columbia is in May-Sept. Butler 1960 [Photo, Graph]

Cancer magister: [photo courtesy] 1. photo courtesy Antan Phillips, DFO, Nanaimo. Phillips [Photo]

Cancer magister: [copulation] 1. description of spermatophore transfer during copulation. Snow & Nielsen 1966 [Photo]

Cancer magister: [development, larva, reproduction, prezoea larva] 1. presence of a prozoeal larva confirmed. Roesijadi 1976 [Photo, Drawing]

Cancer magister: [larva, morphology] 1. compares larvae from California and Alaska. Shirley et al. 1987 [Drawing, Graph]

Cancer magister: [mark-recapture, moulting, reproduction, egg extrusion] 1. large mark-recapture study in northern California. Hankin et al. 1989 [Graph]

Cancer magister: [egg extrusion] 1. aspects of egg extrusion in crabs in Alaska. Swiney & Shirley 2001 [Drawing]

Cancer magister: [egg extrusion, reproduction] 1. details of egg extrusion. Swiney et al. 2003 [Drawing, Graph]

Cancer magister: [quiz] 1. quiz on gonadosomatic index changes. []

Cancer magister: [functional morphology] 1. details of functional morphology of reproductive system in females. Jensen et al. 1996 [Drawing]

Cancer magister: [behaviour, migration, reproduction, telemetry] 1. seasonal reproductive migrations in Alaska. Stone & O'Clair 2001 [Drawing]

Cancer magister: [behaviour, home] 1. monitoring of homesite fidelity in Fritz Cove, Alaska. Stone & O'Clair 2002 [Photo]

Cancer magister: [reproduction, spermatophore] 1. survey of insemination success of crabs in northern California. Oh & Hankin 2004 [Photo]

Cancer magister: [reproduction, spermatophore] 1. information on insemination success. Hankin et al. 1997 [Text only]

Cancer magister: [larval dispersal, latitudinal, recruitment] 1. recruitment in relation to coastal currents. Johnson et al. 1986 [Graph]

Cancer magister: [megalopa, onshore transport] 1. correlation of nearshore abundance with degree of onshore transport. Hobbs et al. 1992 [Graph]

Cancer magister: [megalopa, vertical migration, zoea] 1. information on diel behaviour of zoeae and megalopae. 2. metamorphosis to megalopae in early spring. Hobbs & Bosford 1992 1992 [Graph]

Cancer magister: [cues, settlement] 1. history of Grays Harbor estuary oyster-shell mitigation project. Dumbauldt et al. 1993 [Text only]

Cancer magister: [settlement] 1. recruitment in Grays Harbor, Washington may depend upon frequency of alongshore currents. McConnaughey et al. 1992 [Text only]

Cancer magister: [season, settlement] 1. settlement in Puget Sound May-August depending on region. Dinnel et al. 1993 [Drawing]

Cancer magister: [cannibalism, settlement] 1. settlement success in Grays Harbor, Washington relates in part to degree of cannibalism from infaunal 2nd-3rd instar juveniles. Fernandez et al. 1993 [Text only]

Cancer magister: [settlement] 1. settlement success in oyster-shell habitats. Iribarne et al. 1994 [Text only]

Cancer magister: [settlement] 1. factors affecting settlement. Iribarne et al. 1995 [Text only]

Cancer magister: [settlement] 1. settlement success in oyster-shell habitat in Grays Harbor relates partly to protection from sculpin predation. Fernandez et al. 1993 [Text only]

Cancer magister: [settlement] 1. in Grays Harbor, Washington megalopae tend to moult to juvenile instar during nighttime. Fernandez et al. 1994 [Graph]

Cancer magister: [recruitment, settlement] 1. detailed field experiments in Grays Harbor, Washington show that settlement and recruitment are favoured in shell habitat over mud. Eggleston & Armstrong 1995 [Drawing, Graph]

Cancer magister: [growth] 1. settlement times in Puget Sound and comparison of post-settlement grown of different larval cohorts. McMillan et al. 1995 [Drawing, Graph]

Cancer magister: [settlement, survival] 1. predation by crabs Hemigrapsus spp. affects post-settlement survival. Banks & Dinnel 2000 [Photo, Graph]

Cancer magister: [megalopa, settlement, tidal transport] 1. entry of megalopae into Coos Bay estuary is driven by wind and tide. Miller & Shanks 2004 [Drawing]

Cancer magister: [megalopa, tidal transport] 1. aspects of inshore transport of megalopae. Roegner et al. 2007 [Drawing]

Cancer magister: [larval dispersal, vertical migration, zoea] 1. no apparent depth regulation to aid in inshore transport in Glacier Bay, Alaska. Park & Shirley 2008 [Text only]

Cancer magister: [hatching] 1. hatching times in southeastern Alaska. Park & Shirley 2008 [Text only]

Cancer magister: [tidal transport, depth regulation] 1. factors involved in megalopae entering over the shallow sill of Glacier Bay, Alaska. Herter & Eckert 2008 [Drawing]

Cancer magister: [larval dispersal, megalopa, oceanic processes, upwelling] 1. relationship of cross-shelf transport of megalopae to upwelling and seasonal transitional events. Shanks & Roegner 2007 [Photo]

Cancer magister: [megalopa, settlement, cross-shelf transport] 1. means of seasonal onshore movement of megalopae in Oregon. Shanks 2006 [Text only]

Cancer magister: [oceanic processes] 1. seasonal northward transport of larvae in the Alaska Current. 2. possible northward directed gene flow. Park et al. 2007 [Drawing]

Cancer magister: [larval dispersal, season] 1. irregular pulses of larvae from offshore to inshore waters in southeastern Alaska. Smith & Eckert 2011 [Drawing]

Cancer magister: [survival, temperature stress, zoea] 1. effect of temperature on survival and duration of zoeal stages. Sulkin & McKeen 1989 [Graph]

Cancer magister: [parasitism] 1. eggs are parasitised by a nemertean Carciinonemertes errans. Wickham 1979 [Table of Data, Text only]

Cancer oregonensis: [defense, hide away] 1. video of crab hiding in dead barnacle test. [Video]

Cancer oregonensis: [claw, efficacy, mechanical advantage] 1. comparison of shell-breaking efficacy in 4 species of crabs. 2. determination of mechanical advantages. Behrens Yamada & Boulding 1998 [Photo, Drawing, Graph]

Cancer oregonensis: [claw, function, lever, mechanical advantage] 1. general description of claw function. [Photo]

Cancer oregonensis: [function, ultraviolet, chromatophore] 1. behaviour of chromatophores in different light conditions. Miner et al. 2000 [Photo, Graph]

Cancer oregonensis: [growth, mating, moulting] 1. "mating systems" compared among 4 cancroid species. Orensanz & Gallucci 1988 [Graph]

Cancer oregonensis: [claw, safety factor, breakage] 1. comparison with C. magister. Taylor et al. 2000 [Graph]

Cancer oregonensis: [carnivore, food] 1. eats worms, small shellfishes, and other invertebrates. Knudsen 1964 [Photo]

Cancer oregonensis: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby. Long [Photo]

Cancer oregonensis: [megalopa, reproduction] 1. compares larval morphology with Cancer productus and other species. DeBrosse et al. 1989 [Photo, Drawing]

Cancer oregonensis: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University. Long [Photo]

Cancer oregonensis: [larva, megalopa] 1. light-trap collections of larvae and megalopae in Alaska. Daly & Konar 2008 [Graph]

Cancer oregonensis: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, British Columbia. Long [Photo]

Cancer productus: [predator, preferences] 1. test of predator preference (2 crab species) for 3 species of bivalves. Dudas et al. 2005 [Photo, Graph]

Cancer productus: [burrowing, defense] 1. test of burial depth of prey clam Protothaca staminea on attack success. Smith et al. 1999 [Photo, Graph]

Cancer productus: [burrowing, defense] 1. test of burial depth of prey clam Protothaca staminea on attack success. Smith et al. 1999 [Photo, Graph]

Cancer productus: [camouflage, epibiont] 1. most epibiont growths listed of all Cancer species studied. McGaw 2006 [Photo, Drawing, Graph]

Cancer productus: [camouflage, colour] 1. examination of colour patterns of juveniles . Krause-Nehring et al. 2010 [Photo]

Cancer productus: [energetics] 1. burial for defense and energy savings. 2. description of gill irrigation. McGaw 2005 [Photo]

Cancer productus: [claw, efficacy, mechanical advantage] 1. comparison of shell-breaking efficacy in 4 species of crabs. 2. determination of mechanical advantages. Behrens Yamada & Boulding 1998 [Photo, Drawing, Graph]

Cancer productus: [claw, function, lever, mechanical advantage] 1. general description of claw function. [Photo]

Cancer productus: [cardiovascular, physiological ecology] 1. survive longer in air when unfed than when fed. McGaw et al. 2009 [Photo, Graph]

Cancer productus: [claw, morphology] 1. factors in evolution leading to monomorphic vs. dimorphic claws. Smith & Palmer 1994 [Photo]

Cancer productus: [photo courtesy] 1. photo courtesy Iain McGaw, University of Nevada, now at Memorial University, Newfoundland. McGaw [Photo]

Cancer productus: [autotomy, regeneration] 1. details of regeneration of claws and walking legs after autotomy. Brock & Smith 1998 [Photo, Graph]

Cancer productus: [carapace] 1. compares carapace streamlining in 3 brachyurans, including 2 west-coast species C. productus and Lopholithodes mandtii. Blake 1985 [Photo]

Cancer productus: [growth, mating, moulting] 1. "mating systems" compared among 4 cancroid species. Orensanz & Gallucci 1988 [Graph]

Cancer productus: [carnivore, food] 1. eats a variety of shellfishes and worms. Knudsen 1964 [Photo]

Cancer productus: [behaviour, locomotion, acoustic transmitter] 1. in 23d an individual moves 410m. Boulding & Hay 1984 [Drawing]

Cancer productus: [carnivore, shell-breaking] 1. describe how crab cracks shell of bivalve Protothaca staminea. Boulding & LaBarbera 1986 [Photo]

Cancer productus: [behaviour, diet, foraging] 1. describe foraging behaviour and diet for crabs in Bamfield, British Columbia. Robles et al. 1989 [Graph]

Cancer productus: [digestion, emersion] 1. digestive efficacy when stressed by air emersion. McGaw 2007 [Drawing, Graph]

Cancer productus: [life cycle, reproduction, amplexus] 1. review of crab larvae and life cycles. Hines 1986 [Photo]

Cancer productus: [larva, reproduction] 1. description of larval stages. Trask 1970 [Photo, Drawing]

Cancer productus: [photo courtesy] 1. photo courtesy Iain McGaw, Memorial University, Newfoundland. McGaw [Photo]

Cancer productus: [development, larva, prezoea larva] 1. presence of a prezoeal larva confirmed. Roesijadi 1976 [Photo, Drawing]

Cancer productus: [megalopa, reproduction] 1. compares larval morphology with that of Cancer oregonensis and other species. DeBrosse et al. 1989 [Photo, Drawing]

Cancer productus: [photo courtesy] 1. photo courtesy Iain McGaw, Memorial University, Newfoundland. McGaw [Photo]

Cancer productus: [predator] 1. in San Juan Islands, Washington prey on littorinid snails Littorina sitkana and L. scutulata. 2. other predatory crabs include Lophopanopeus bellus and, to a lesser extent Hemigrapsus spp.. Behrens Yamada & Boulding 1996 [Photo, Drawing, Graph]

Cancer productus: [predator] 1. presence and especially if feeding alters behaviour of down-stream prey littorines L. sitkana. 2. laboratory experiments. Behrens-Yamada et al. 1998 [Photo, Graph]

Cancer spp: [allometry, claw, strength] 1. allometric relationships in claw sizes and biting forces in 6 species of Cancer crabs. 2. example cited for Cancer productus. Taylor 2001 [Drawing, Graph]

Cancer spp.: [burial, defense, energetics] 1. aspects of burying behaviour. McGaw 2005 [Photo]

Cancer spp.: [claw, safety factor] 1. breakage strengths compared in 6 species. Palmer et al. 1999 [Drawing]

Cancer spp.: [claw, strength] 1. comparison of crushing strengths in claws of 6 species. 2. comparative muscle stress . Taylor 2000 [Graph]

Cancer spp.: [digestion] 1. reference to work on effect of hypoxia on gastric processing in Cancer species. McGaw 2008 [Graph]

Cancer spp.: [development, larva] 1. comparative data for 3 species of Cancer crabs. DeBrosse 1990 [Text only]

Cancer spp.: [fecundity, reproduction, scaling] 1. lifetime output of eggs scales isometrically with body size for 6 species . Hines 1991 [Graph]

Cancer spp.: [larval dispersal, oceanic processes] 1. comparison of megalopae distribution off Vancouver Island, British Columbia in several species of Cancer crabs. Jamieson & Phillips 1988 [Drawing]

Cancer spp.: [megalopa, settlement, upwelling] 1. adventitious settlement by megalopae of Cancer magister, C. productus, and C. antennarius during upwelling relaxation events. Wing et al. 1995 []

Cancer spp.: [predator, shell-breaking] 1. description of killing methods used on limpets by crabs Cancer productus and C. oregonensis. Lowell 1968 [Photo, Table of Data]

Cancer  magister: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Cancer  magister: [optimal foraging] 1. in areas of British Columbia prefer smaller clams Protothaca staminea over larger ones. Juanes & Hartwick 1990 [Text only]

Cancer  magister: [optimal foraging] 1. in areas of British Columbia prefer smaller clams Protothaca staminea over larger ones. Juanes & Hartwick 1990 [Text only]

Cancer  magister: [larval dispersal, megalopa, vertical migration] 1. plankton tows show megalopae swim to surface at night. Jacoby 1982 [Text only]

Cancer  productus: [predator, preferences] 1. tests of preference for 3 species of bivalves. Boulding 1984 [Photo, Graph]

Candidatus Xenohaliotis californiensis: [disease] 1. temperature effects on degree of expression in red abalone Haliotis rufescens. Moore et al. 2005 [Text only]

Candidatus Xenohaliotis californiensis: [disease] 1. treatment of disease with antibiotics. 2. aquacultural relevance. Friedman et al. 2002 [Text only]

Capitella capitata: [detritivory, food] 1. growth and survival are poorer on suspended detritus than on phytopankton. Qian & Chia 1990 [Graph]

Capitella sp.: [juvenile, predation] 1. observe predation effects on marked juvenile worms. Qian & Chia 1994 [Graph]

Capitella sp.: [growth, settlement, starvation] 1. effect of food limitation on growth and settlement of larvae. Qian & Chia 1993 [Graph]

Capitella spp.: [predation] 1. preferred foods of flatfishes in Puget Sound, Washington. Becker & Chew 1987 [Photo]

Caprella californica: [] 1. observations on feeding. Saunders 1966 [Text only]

Caprella californica: [feeding] 1. feedin observations. Keith 1969 [Text only]

Caprella californica: [habitat, preferences] 1. habitat preferences. Keith 1971 [Photo]

Caprella californica: [feeding, habitat, preferences] 1. habitat and feeding preferences. Caine 1977 [Text only]

Caprella equilibra: [feeding] 1. feeding observations. Keith 1969 [Text only]

Caprella equilibra: [habitat, preferences] 1. lack of apparent habitat preference. Keith 1971 [Photo]

Caprella kennerlyi: [feeding] 1. observations on feeding. Saunders 1966 [Photo]

Caprella kennerlyi: [photo courtesy] 1. photo courtesy Gary McDonald, UC Santa Cruz, California. McDonald [Photo]

Caprella laeviuscula: [feeding] 1. observations on feeding. Saunders 1966 [Text only]

Caprella laeviuscula: [feeding, habitat, preferences] 1. habitat and feeding preferences. Caine 1977 [Text only]

Caprella laeviuscula: [competition, habitat] 1. habitat competitiveness on eelgrass blades. Caine 1980 [Photo]

Caprella laeviuscula: [photo courtesy] 1. photo courtesy Pearson College, Victoria, British Columbia. Pearson College [Photo]

Caprella laeviuscula: [reproduction, mating] 1. description of mating . Caine 1979 [Photo]

Caprella laeviuscula: [photo courtesy] 1. photo courtesy Pearson College, Vancouver Island. Pearson College [Photo]

Caprella laeviuscula: [predation] 1. report of numerous species of fishes preying on these amphipods in San Juan Islands, Washington. Caine 1979 [Photo]

Caprella laeviuscula: [photo courtesy] 1. photo courtesy Pearson College, British Columbia. Pearson College []

Caprella sp.: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Caprella sp.: [] 1. video of some caprellids on a tunicate Styela montereyensis. [Video]

Caprella sp.: [] 1. crawling on an eel-grass blade; possible example of aposematic coloration. [Photo]

Caprella sp.: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Caprella sp.2: [] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Caprella spp.: [filter-feeding] 1. description of filter-feeding and scraping for food. Caine 1977 [Photo]

Caprella spp.: [habitat, preferences] 1. caprellids in general found on rhizomes of eelgrass. Carr et al. 2011 [Text only]

Carcinonemertes epialti: [parasitism] 1. parasitises several species of brachyuran crabs. 2. description of life cycle of parasite. Roe 1979 [Text only]

Carcinonemertes epialti: [life history ] 1. life history considerations of parasites on crabs Hemigrapsus oregonensis . Shields & Kuris 1988 [Photo]

Carcinonemertes epialti: [development, larva, reproduction] 1. describes development to pilidium larval stage. Roe 1979 [Text only]

Carcinonemertes epialti: [development, larva, morphology] 1. describes morphology of larva. Stricker & Reed 1981 [Photo, Drawing]

Carcinonemertes epialti: [larval dispersal] 1. larva disseminate to host crabs by swimming . Bauman 1984 [Text only]

Carcinonemertes errans: [parasitism] 1. parasitises eggs of Dungeness crabs Cancer magister. Wickham 1979 [Table of Data, Text only]

Carcinonemertes errans: [parasitism] 1. parasitises eggs of Dungeness crabs Cancer magister. Wickham 1979 [Photo, Graph]

Carcinonemertes errans: [parasitism] 1. parasitises eggs of Dungeness crabs Cancer magister. Wickham 1980 [Photo, Graph]

Carcinonemertes errans: [parasitism] 1. parasitises eggs of Dungeness crabs Cancer magister. Wickham 1986 [Photo, Graph]

Carcinonemertes errans: [parasitism] 1. description of parasite transfer during moult of host. Wickham 1980 [Photo]

Carcinonemertes errans: [energetics, nutrition, parasitism] 1. parasite able to subsist on amines in solution. Roe et al. 1981 [Text only]

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Kuris 1978 [Table of Data]

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Roe 1979 [Table of Data]

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Wickham 1980 [Table of Data]

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Wickham et al. 1984 [Table of Data]

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Wickham 1986 [Table of Data]

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Shields & Kuris 1988 [Table of Data]

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Shields et al. 1990 []

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Shields & Kuris 1990 [Table of Data]

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Kuris et al. 1991 [Table of Data]

Carcinonemertes spp.: [parasitism] 1. list of nemertean parasites of crab eggs. Torchin et al. 1996 []

Carcinonemertes spp.: [nutrition, parasitism] 1. parasites may be able to subsist on primary amines diffusing through arthrodial membranes that join exoskeleton parts. Crowe et al. 1982 [Photo]

Carcinonemertes spp.: [nutrition, parasitism] 1. parasites may subsist on primary amines diffusing through arthrodial membranes. Crowe et al. 1983 [Photo]

Carcinonemertes spp.: [nutrition, parasitism] 1. alternate nutritional sources for nemertean parasites of crab eggs. Roe et al. 1981 [Photo]

Carcinonemertes spp.: [nutrition, parasitism] 1. alternate source of nutrition for nemertean parasites of crab eggs. Wickham & Kuris 1985 [Photo]

Carcinonemertes spp.: [review] 1. early review of nemertean parasites of crabs. Coe 1902 [Text only]

Carcinonemertes spp.: [defense, parasitism, review] 1. review of possible defenses by crabs against nemertean parasites of their eggs. Kuris & Wickham 1987 [Text only]

Carcinonemertes spp.: [development, egg] 1. some eggs develop parthenogenetically. Roe 1986 [Text only]

Carcinus  maenas: [photo courtesy] 1. photo courtesy Marine Invasive Species Monitoring Organization, Maine. Citizen Scientist Initiative [Photo]

Carcinus  maenas: [competition, interspecific, non-indigenous] 1. potential competition with indigenous species. 2. introduced into San Francisco Bay, California in 1989-90. Cohen et al. 1995 [Photo]

Carcinus  maenas: [aggression, competition, feeding] 1. records of prey eaten in Bodega Harbor, California. 2. out-competes local crabs Cancer magister and Hemigrapsus oregonensis. Grosholz & Ruiz 1995 [Photo]

Carcinus  maenas: [photo courtesy] 1. photo courtesy R.F. Uglow, University of Hull, England. Uglow []

Carcinus  maenas: [ecology] 1. ecological impact of green crabs Carcinus maenas introduced to several areas of the world. Grosholz & Ruiz 1996 [Table of Data]

Carcinus  maenas: [ecology, impact] 1. ecological impact of introduction of green crabs Carcinus maenas in Bodega Bay Harbor, California. Grosholz et al. 2000 [Drawing, Graph]

Carcinus  maenas: [ecology, impact] 1. description of ecological impact of arrival of green crabs at various west-coast locations. Grosholz et al. 2001 [Text only]

Carcinus  maenas: [ecology, impact] 1. review of potential impact of green crabs on west-coast fauna. Jamieson et al. 1998 [Text only]

Carcinus  maenas: [competition, exploitative] 1. juveniles out-competed by shore crab Hemigrapsus oregonensis juveniles in exploitative-type competitions for food. Jensen et al. 2002 []

Carcinus  maenas: [aggression, competition, interference] 1. out-competes Dungeness crabs Cancer magister for habitat space in both field and lab experiments. McDonald et al. 2001 [Graph]

Carcinus  maenas: [feeding, preferences] 1. favours Pacific oyster Ostrea lurida in preference test of several bivalves in Oregon. Palacios & Ferraro 2003 [Text only]

Carcinus  maenas: [growth] 1. compare growth rates in different west-coast locations and in Europe. Behrens Yamada et al. 2005 [Photo, Graph]

Carcinus  maenas: [growth] 1. discussion of future prospects for spread and survival on the west coast. Behrens-Yamada & Gillespie 2008 [Photo, Graph]

Carcinus  maenas: [photo courtesy] 1. . Museum Victoria Australia [Photo]

Carcinus  maenas: [photo courtesy] 1. . Museum Victoria Australia [Photo]

Carcinus  maenas: [energy budget] 1. comparative energy budgeting in different locations. 2. optimality models. McDonald et al. 2006 [Photo]

Carcinus  maenas: [competition, efficacy, feeding, morphology, mechanical advantage] 1. comparative efficiency of claws in green crabs versus Dungeness crabs Cancer magister. Behrens Yamada et al. 2010 [Drawing, Graph]

Carcinus  maenas: [growth, habitat] 1. uses carapace colour to estimate growth potential in different habitats. McGaw et al. 2011 [Photo]

Carcinus  maenas: [photo courtesy] 1. photos courtesy Iain McGaw, Ocean Sciences Centre, Memorial University, Newfoundland. McGaw [Photo]

Carcinus  maenas: [competition, density] 1. long-term study shows negative effects of green crabs on local shore crabs Hemigrapsus oregonensis. De Riviera et al. 2011 [Photo, Graph]

Carcinus  maenas: [dispersal, larva] 1. modeling approach to study larvae dispersion in Willapa Bay, Washington . Banas et al. 2009 [Drawing]

Carcinus  maenas: [dispersal, el Niño, oceanic processes, recruitment] 1. correlations with several oceanic events. Behrens Yamada & Kosro 2010 [Drawing]

Carcinus  maenas: [photo courtesy] 1. photo of megalopa stage. Zooplankton-Online [Photo]

Carcinus  maenas: [genetics] 1. population from California to British Columbia is genetically homogenous. 2. predict expansion into Aleutian Islands. De Rivera et al. 2011 [Drawing]

Carcinus  maenas: [growth] 1. compare growth rates in several regions. Behrens Yamada et al. 2005 [Graph]

Carcinus  maenas: [thermal maxima, acclimation experiments] 1. comparison of California and British Columbia populations. Kelley et al. 2011 [Drawing]

Carcinus  maenas: [parasitism] 1. compares rates of parasitism by nemerteans Carcinonemertes epialti with that on local crabs Hemigrapsus oregonensis. Torchin et al. 1996 [Photo]

Cardisoma guanhumi: [gas exchange] 1. description of "ballooning" of carapace surrounding branchial chambers. [Photo]

Careproctus melanurus: [parasitism] 1. found living in the branchial chamber of lithode crab Lopholithodes foraminatus. Parrish 1972 [Photo]

Caribeopsyllus amphiodiae: [parasitism] 1. this copepod inhabits the gut of brittle stars Amphiodia urtica. Ho et al. 2003 [Photo, Drawing]

Cerebratulus  lacteus: [defense, toxin] 1. describes presence of neurotoxin. Kem 1976 [Text only]

Cerebratulus  montereyi: [photo courtesy] 1. photo courtesy Pamela Roe, California State University Stanislaus. Roe [Photo]

Cerebratulus  montgomeryi: [aposemetism] 1. possible warning coloration in nemerteans; research needed. [Photo]

Cerebratulus  spp.: [defense, regeneration, fragmentation] 1. possible defensive strategy of fragmentation followed by regeneration. [Photo]

Cerebratulus  spp.: [defense, toxin] 1. describes neurotoxins. Blumenthal & Kem 1976 []

Cerebratulus  spp.: [larva, metamorphosis] 1. among largest pilidium larva known. 2. juveniles develop within larva. Lacalli 2005 [Photo, Drawing]

Cerebratulus  montgomeri: [predation] 1. review of various vertebrate and invertebrate predators of nemerteans. McDermott 2001 [Photo]

Cerithidea californica: [predation] 1. in Bolinas Lagoon, California eaten by crabs Pachygrapsus crassipes. Sousa 1993 [Photo]

Cerithidea californica: [photo courtesy] 1. photo courtesy Kevin Lafferty, University of California, Davis. Lafferty [Photo]

Cerithidea californica: [environment, food, predator] 1. effects of food and predators on population vitality. Armitage & Fong 2006 [Photo]

Chama arcana: [] 1. competitive interactions with snails Chlorostoma spp. in Santa Catalina Island, Calfiornia. Schmitt 1987 [Photo, Graph]

Chama arcana: [camouflage, defense, prey] 1. coating of sessile organisms protects from predation by sea stars Pisaster giganteus. Vance 1978 [Photo]

Chama arcana: [predator] 1. defense from sea-star predators by close association with Corynactis californica. Patton et al. 1991 [Photo, Graph]

Chione undatella: [competition, interspecific, intraspecific] 1. competition with another bivalve Protothaca staminea. Peterson 1982 [Photo, Graph]

Chionoecetes bairdi: [camouflage, epibiont] 1. up to 39 different taxa recorded on crabs in Kodiak Island, Alaska. Dick et al. 1998 [Photo]

Chionoecetes bairdi: [epibiont, parasitism] 1. bears sea anemones on its carapace. [Video]

Chionoecetes bairdi: [autotomy] 1. compares autotomy events in the Bering Sea with those in king crabs Paralithodes camtschaticus. Edwards 1972 [Photo, Drawing, Graph]

Chionoecetes bairdi: [reproduction] 1. aspects of reproduction in Alaska. Paul 1984 [Photo]

Chionoecetes bairdi: [mating, reproduction] 1. mating success in Alaska. Paul & Adams 1984 [Graph]

Chionoecetes bairdi: [mating, reproduction, spermatophore] 1. male mating success. Adams & Paul 1983 [Text only]

Chionoecetes bairdi: [mating, reproduction] 1. details of mating behaviour, egg incubation, and so on. Swiney 2008 [Graph]

Chionoecetes opilio: [photo courtesy] 1. photo courtesy Bill Eichenlaub, National Park Service & Tamone et al. Glacier Bay Sci Symposium. Eichenlaub [Photo]

Chiton : [home] 1. introduction to chiton in home file for chiton part of the Odyssey. [Text only]

Chiton : [] 1. snail meets chiton animation. [Animation]

Chiton : [map] 1. snail's map with chiton highlighted. [Drawing]

Chiton : [classification] 1. classification of Class Polyplacophora, including chitons. [Text only]

Chiton : [feeding, radula] 1. description of radular feeding mechanism. [Drawing]

Chiton : [radula, composition] 1. elemental composition of radula is magnetite. [Photo]

Chiton : [orientation, radula] 1. early studies on chiton orientation. Tomlinson 1959 [Text only]

Chiton : [distribution, genetics] 1. study of genetic connectivity in 28 species of chitons from 130 sites from Alaska to Gulf of California. Kelly & Eernisse 2007 [Text only]

Chiton : [predation] 1. eaten by sea stars Pisaster ochraceus. Feder 1959 [Photo]

Chiton : [predation] 1. eaten by sea stars Pisaster ochraceus. Paine 1966 [Photo]

Chiton : [predation] 1. eaten by sea stars Pisaster ochraceus. Mauzey et al. 1968 [Photo]

Chiton : [life cycle, reproduction] 1. introductory description of reproduction. [Text only]

Chiton : [homing, quiz, mechanism] 1. quiz on possible mechanisms used in homing. []

Chiton : [] 1. animated "fly-by" showing gamete release. Young 1996 [Animation]

Chiton tuberculatus: [homing, orientation] 1. early description of homing in chitons. Crozier 1921 [Photo]

Chlamys hastata: [energetics, suspension feeding] 1. calculate energy cost of pumping. Bernard & Noakes 1990 [Text only]

Chlorostoma : [habitat] 1. habitat preferences of Chlorostoma and Promartynia snails. Lowry et al. 1974 [Drawing]

Chlorostoma : [habitat] 1. habitat preferences of Chlorostoma and Promartynia snails. Riedman et al. 1981 [Drawing]

Chlorostoma : [behaviour, defense] 1. escape behaviour to sea stars. 2. defensive responses of Chlorostoma and Promartynia snails. Feder 1963 [Photo]

Chlorostoma : [defense, behaviour] 1. defensive responses snails. Watanabe 1983 [Photo]

Chlorostoma : [defense, behaviour] 1. defensive responses snails. Watanabe 1984 [Photo]

Chlorostoma : [feeding] 1. radular tracks on inside of aquarium. [Photo]

Chlorostoma aureotincta: [competition] 1. competitive interactions with Chlorostoma eiseni on Santa Catalina Island, California. 2. intraspecific and interspecific interactions. Schmitt 1985 [Graph]

Chlorostoma aureotincta: [competition, food] 1. food competition with Chlorostoma eiseni. 2. Santa Catalina Island, California. Schmitt 1996 [Text only]

Chlorostoma brunnea: [chemical, defense] 1. algal coatings on snails provide defense from sea-star predators. Thomber 2007 [Graph]

Chlorostoma brunnea: [competition] 1. competition between 3 species of trochid snails. Watanabe 1984 [Photo, Drawing]

Chlorostoma brunnea: [photo courtesy] 1. 2 photos of trochid snails courtesy Gary McDonald, Long Marine Laboratory, Santa Cruz, California. McDonald [Photo]

Chlorostoma eiseni: [competition] 1. competitive interactions with Chlorostoma aureotincta. Schmitt 1985 [Graph]

Chlorostoma eiseni: [competition, food] 1. food competition with Chlorostoma aureotincta. 2. Santa Catalina Island, California. Schmitt 1996 [Text only]

Chlorostoma funebralis: [defense] 1. escape behaviour to sea stars. Yarnall 1964 [Table of Data]

Chlorostoma funebralis: [defense, habitat] 1. age-related habitat preference. 2. escape behaviour from predatory sea star. Feder 1963 [Photo]

Chlorostoma funebralis: [defense, behaviour] 1. escape behaviour of trochid snail to crab. Geller 1982 [Photo]

Chlorostoma funebralis: [defense, behaviour] 1. predation on trochid snails. Fawcett 1984 [Photo, Graph]

Chlorostoma funebralis: [feeding] 1. preferred foods are large fleshy kelps. 2. more than 20 species of algae are eaten. Best 1964 [Photo]

Chlorostoma funebralis: [feeding, preferences] 1. seaweed content of phenolics determines feeding preference. Steinberg 1985 [Photo, Graph]

Chlorostoma funebralis: [feeding, preferences] 1. phenolics important determinant of feeding preferences. Steinberg 1985 []

Chlorostoma funebralis: [locomotion] 1. comparison of normal and escape speeds of locomotion with those in abalone Haliotis kamtschatkana. Miller 1974 [Photo]

Chlorostoma funebralis: [] 1. relationship of foot area and tenacity. Miller 1974 [Photo, Graph]

Chlorostoma funebralis: [] 1. foot tenacity in black turban snail. Gabaldon 1982 [Photo]

Chlorostoma funebralis: [] 1. description of radula mechanics in feeding. MacDonald & Maine 1964 [Photo, Drawing]

Chlorostoma funebralis: [feeding] 1. radula mechanics. Morris & Hickman 1981 [Photo, Drawing]

Chlorostoma funebralis: [feeding] 1. description of radular tracks. Hickman & Morris 1985 [Photo]

Chlorostoma funebralis: [migration] 1. settle in high intertidal area, then migrate lower with increasing size and age. Paine 1969 [Drawing, Graph]

Chlorostoma funebralis: [survival] 1. survives attack by sea stars Pisaster ochraceus by withdrawing into shell. Markowitz 1980 [Graph]

Chlorostoma funebralis: [desiccation] 1. daily vertical movements possibly related to temperature stress. Wara & Wright 1964 [Text only]

Chlorostoma funebralis: [desiccation] 1. use of mantle water in osmoregulation. Marchetti & Geller 1987 [Photo, Graph]

Chlorostoma funebralis: [genetics, habitat] 1. relationship of genotype with preferred habitats. Byers 1982 [Photo]

Chlorostoma funebralis: [genetics, habitat] 1. experiments on relationship between genotype and preferred habitats. Byers & Mitton 1981 [Photo]

Chlorostoma funebralis: [size gradient] 1. shore-level size gradient. 2. sizes greater lower in the intertidal zone. Doering & Phillips 1983 [Graph]

Chlorostoma funebralis: [size gradient] 1. shore-level size gradient. 2. larger individuals lower in intertidal zone. Wara & Wright 1964 [Text only]

Chlorostoma funebralis: [sensory] 1. description of bursicles on the gills, possibly used in chemosensory-mediated defense. Szal 1971 [Drawing]

Chlorostoma funebralis: [development, reproduction] 1. embryonic development through to metamorphosis and early juvenile. Moran 1997 [Photo, Drawing]

Chlorostoma funebralis: [reproduction, sex determination] 1. sex determined by colour of foot. Frank 1969 [Photo]

Chlorostoma funebralis: [growth, reproduction] 1. embryonic development through to metamorphosis and early juvenile. 2. growth rate of juvenile over 60 days. Guzman del Proo et al. 2006 [Drawing, Graph]

Chlorostoma funebralis: [growth] 1. age and growth of black turban shells in different parts of the west coast. Darby 1964 [Photo, Graph]

Chlorostoma funebralis: [growth, age] 1. age and growth of black turban shells in different regions of the west coast. Frank 1965 [Photo, Graph]

Chlorostoma funebralis: [age, growth] 1. age and growth of black turban shells in different regions of the west coast. Frank 1975 [Photo, Graph]

Chlorostoma funebralis: [age, growth] 1. age and growth of black turban shells in different regions of the west coast. Paine 1969 [Photo, Graph]

Chlorostoma funebralis: [growth, shell] 1. shell growth and damage repair. Geller 1982 [Photo]

Chlorostoma funebralis: [shell, repair] 1. frequency of shell repair as a measure of fitness. Geller 1983 [Text only]

Chlorostoma funebralis: [repair, shell] 1. electron-microscopic views of shell repair. Reed-Miller 1983 [Photo]

Chlorostoma funebralis: [repair, shell] 1. electron-microscopic views and description of shell repair. Reed-Miller 1983 [Photo]

Chlorostoma funebralis: [repair, shell] 1. electron-microscopic views and description of shell repair. Reed-Miller 1981 [Photo]

Chlorostoma funebralis: [water flow] 1. description of water flow and its functions. MacDonald & Maine 1964 [Drawing]

Chlorostoma funebralis: [aggregation, desiccation] 1. does clustering with chitons Mopalia muscosa mutually reduce desiccation?. Fitzgerald 1975 [Photo]

Chlorostoma funebralis: [defense, intertidal level, migration] 1. migrate down the shore with age. Paine 1969 [Photo]

Chlorostoma funebralis: [heat-shock proteins] 1. introduction to heat-shock proteins in Chlorostoma. [Text only]

Chlorostoma funebralis: [latitudinal] 1. size differences found latitudinally and with local habitat conditions. Cooper & Shanks 2011 [Drawing]

Chlorostoma funebralis: [host] 1. often host limpets Lottia asmi, but whether larvae preferentially settle on the Chlorostoma shells is not known. Test 1945 [Photo]

Chlorostoma funebralis: [host] 1. are host to sometimes several slipper limpets Crepidula adunca. Putnam 1964 [Photo, Drawing]

Chlorostoma funebralis: [competition, food, space] 1. juveniles compete with Littorina scutulata for food and space at Pacific Grove, California. Jensen 1981 [Photo, Graph]

Chlorostoma montereyi: [competition] 1. competition between 3 species of trochid snails. Watanabe 1984 [Photo, Drawing]

Chlorostoma spp.: [growth] 1. trochid snails in kelp forests in California do best on a mixed seaweed diet. Watanabe 1984 [Photo]

Chlorostoma spp.: [photo courtesy] 1. photos courtesy Gary McDonald, Long Marine Laboratory, Santa Cruz. McDonald [Photo]

Chlorostoma spp.: [feeding, preferences] 1. phenolic content of seaweeds important determinant of feeding preferences. Steinberg 1988 [Photo, Graph]

Chlorostoma spp.: [heat-shock proteins] 1. explanation of function of heat-shock proteins . [Text only]

Chlorostoma spp.: [heat-shock proteins] 1. heat-tolerances of 3 Chlorostoma species: funebralis, brunnea, and monteryi. 2. induction temperatures for 3 Chlorostoma species: funebralis, brunnea, and monteryi. Tomanek & Somero 1999 [Photo, Graph]

Chlorostoma spp.: [heat-shock proteins, review] 1. review of thermal stress and heat-shock proteins in Chlorostoma spp. and other invertebrates. Tomanek & Helmuth 2002 []

Chlorostoma spp.: [] 1. time-course and magnitude of heat-shock responses in trochid snails Chlorostoma funebralis and C. brunnea. Tomanek & Somero 2000 [Photo, Graph]

Chlorostoma spp.: [heat-shock proteins] 1. heat-shock proteins in marine invertebrates. Tomanek 2002 [Graph, Text only]

Chlorostoma spp.: [heat-shock proteins] 1. heat-shock proteins in marine invertebrates. Tomanek & Somero 2002 [Graph, Text only]

Chlorostoma spp.: [heat-shock proteins] 1. heat-shock proteins in relation to intertidal level and changing environmental conditions in trochid snails. Tomanek & Sanford 2003 []

Chlorostoma spp.: [locomotion] 1. use of retrograde-ditaxic type of locomotion. Miller 1974 [Drawing]

Chlorostoma spp.: [parasitism] 1. limpets Lottia asmi and slipper limpets Crepidula adunca inhabiting the shells of trochid snails are parasites that the snails cannot defend against. Evans 1992 [Photo]

Chlorostoma spp.: [Q10] 1. temperature effects on activity in several species. 2. comparison north and south of Point Conception, California. Yee & Murray 2004 [Drawing]

Chlorostoma spp.: [temperature stress] 1. thermal limits of heart function in 3 species. Stenseng et al. 2005 [Graph]

Chromopleustes oculatus: [aposemetism] 1. photograph of several specimens on a sea pen. [Photo]

Chromopleustes oculatus: [commensalism] 1. photograph in close view of a specimen crawling on a sea anemone. [Photo]

Chromopleustes sp.: [aposemetism] 1. photo of many specimens crawling on a bull kelp Nereocystis luetkeana. [Photo]

Chrysaora colorata: [] 1. video of an individual swimming in an aquarium tank. [Video]

Chrysaora fuscescens: [competition, diet] 1. diet in Oregon mainly euphausid eggs and larvae. 2. some overlap with various fishes and Aurelia labiata. Brodeur et al. 2008 [Graph]

Chrysaora fuscescens: [diet] 1. adults in Oregon opportunistically prey on a variety of planktonic animals. Suchman et al. 2008 [Photo]

Chrysaora fuscescens: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Chrysaora fuscescens: [development, reproduction] 1. study at Monterey Bay Aquarium, California of development to young adult stage. Widmer 2008 [Photo]

Chrysaora spp.: [] 1. video of individuals swimming in an aquarium tank. [Video]

Chrysaora  fuscescens: [] 1. video of it swimming in an aquarium tank. [Video]

Chthamalus dalli: [cyprid larva, nauplius larva] 1. how to distinguish west-coast chthamalids. Miller et al. 1989 [Photo, Drawing]

Chthamalus dalli: [distribution] 1. overlapping distribution with C. fissus. Wares & Castaneda 2005 [Photo]

Chthamalus dalli: [cirrus, scaling] 1. comparison with 3 other species. Marchinko & Palmer 2003 [Photo, Graph]

Chthamalus dalli: [heat-shock proteins, growth, upwelling, wave exposure] 1. comparison of wave exposure and upwelling on growth in 2 species of barnacles. Sanford & Menge 2001 [Drawing, Graph]

Chthamalus dalli: [density, reproduction] 1. effect of crowding on reproductive output. Wethey 1984 [Graph]

Chthamalus dalli: [habitat, recruitment] 1. aspects of habitat in relation to recruitment. Schubart et al. 1995 [Photo, Graph]

Chthamalus dalli: [competition, interspecific] 1. competition with Balanus glandula and Semibalanus cariosus. Dayton 1971 [Photo]

Chthamalus dalli: [competition, interspecific] 1. competition with Balanus glandula. Paine 1981 [Graph]

Chthamalus dalli: [competition, interspecific] 1. competition with barnacles Balanus glandula and various seaweeds. Farrell 1991 [Photo, Graph]

Chthamalus dalli: [character displacement, cirrus, competitive exclusion] 1. analysis of 6 species of barnacles with respect to character displacement of ramus length of cirri. Marchinko et al. 2004 [Drawing, Graph]

Chthamalus dalli: [competition, predation] 1. survival favoured when limpets bulldoze away potential competing barnacle species Balanus glandula and Semibalanus cariosus. Dayton 1971 [Photo]

Chthamalus dalli: [predator, survival] 1. survival favoured if limpets Lottia digitalis are excluded from the habitat. Paine 1981 [Photo, Graph]

Chthamalus dalli: [spat, survival] 1. spat survive limpet bulldozing better than spat of Balanus glandula. Menge et al. 2010 [Text only]

Chthamalus dalli: [latitudinal, recruitment] 1. effect of headlands in Oregon and California on recruitment. Connolly et al. 2001 [Drawing, Graph]

Chthamalus dalli: [substratum preference] 1. preferential settlement on other species of barnacles. [Photo]

Chthamalus dalli: [distribution, intertidal level, predation] 1. differential predation by whelks Nucella spp. sets lower limits of intertidal distribution. Connell 1970 [Photo, Drawing]

Chthamalus dalli: [reproduction, settlement] 1. in Monterey Bay settlement tends to be random. 2. comparison with acorn barnacle Balanus glandula and goose barnacle Pollicipes polymerus. Satchell & Farrell 1993 [Photo, Graph]

Chthamalus dalli: [competition, space] 1. bulldozing by limpets Lottia pelta minimised by living in depressions and on the limpets' shells. [Photo]

Chthamalus fissus: [cyprid larva, nauplius larva] 1. how to distinguish west-coast chthamalids. Miller et al. 1989 [Photo, Drawing]

Chthamalus fissus: [growth] 1. comparison of growth rates with 2 other species of barnacles. Hines 1979 [Graph]

Chthamalus fissus: [character displacement, cirrus, competitive exclusion] 1. analysis of 6 species of barnacles with respect to character displacement of ramus length of cirri. Marchinko et al. 2004 [Drawing, Graph]

Chthamalus fissus: [acontia] 1. effect of Point Conception headland on genetic structure along the west coast. Wares et al. 2001 [Drawing]

Chthamalus fissus: [broods, reproduction] 1. comparative brood numbers seasonally including Balanus glandula and Tetraclita squamosa. Hines 1978 [Photo, Graph]

Chthamalus fissus: [broods, intertidal level, reproduction] 1. effect of intertidal level and other factors on brood production. 2. comparison with Balanus glandula and Tetraclita squamosa. Hines 1979 [Graph]

Chthamalus fissus: [cyprid larva, settlement] 1. comparison of settlement times and features with 2 other species Balanus glandula and Tetraclita squamosa. Hines 1979 [Photo]

Chthamalus fissus: [predator] 1. narrow aperture may provide protection against whelk predator Mexacanthina lugubris. Jarrett 2008 [Photo, Graph]

Chthamalus spp.: [predation, competitive exclusion] 1. discussion of chthamaloid evolution. Newman & Stanley 1981 [Photo]

Chthamalus spp.: [evolution] 1. discussion of chthamaloid and balanoid evolution. Stanley & Newman 1980 []

Chthamalus spp.: [larva, settlement, upwelling] 1. oceanic conditions favouring settlement of larvae. Farrell et al. 1991 [Photo]

Chthamalus spp.: [larval dispersal, mortality] 1. larval distribution and mortality in inshore waters. Tapia & Pineda 2007 [Graph]

Chthamalus spp.: [larval dispersal, tides, upwelling] 1. transport of larvae related to advection of subsurface waters and tidal cycles. Pineda 1991 [Text only]

Chthamalus spp.: [el Niño, latitudinal, recruitment] 1. recruitment along the California coast in an el Nino year. Connolly & Roughgarden 1999 [Drawing, Graph]

Chthamalus spp.: [oceanic processes, settlement, thermocline, water flow] 1. comparison of settlement in 2 areas differing in features of thermocline and water flow. Pineda & Lopez 2002 [Graph]

Chthamalus spp.: [recruitment, temperature ] 1. recruitment breaks along the west coast in relation to sea-surface temperatures. Broitman et al. 2008 [Drawing, Graph]

Chthamalus spp.: [ecology, recruitment, succession] 1. role of recruitment and succession in community ecology. Forde & Raimondi 2004 [Photo]

Chthamalus spp.: [fertilisation success, recruitment, reproduction] 1. self-fertilisation in chthamalids. Barnes & Barnes 1958 [Photo]

Chthamalus spp.: [reproduction, settlement] 1. settlement at La Jolla, California related to large internal tidal bores. 2. compares with goose barnacles Pollicipes polymerus. Pineda 1994 [Graph]

Chthamalus spp.: [larva, recruitment, temperature , upwelling] 1. investigate barnacle recruitment on Santa Cruz Island, California. Broitman et al. 2005 [Drawing]

Cirolana harfordi: [photo courtesy] 1. photo courtesy Gary McDonald, Santa Cruz, California. McDonald [Photo]

Cirolana harfordi: [predation] 1. eaten by several species of fishes in southern California. Mitchell 1953 [Text only]

Cirolana harfordi: [egg, fecundity, reproduction, season] 1. seasonality of egg release. Johnson 1976 [Graph]

Cirolana  harfordi: [carnivore, diet, digestion] 1. feed mainly on animal matter, both live and dead. Johnson 1976 [Photo]

Clam : [] 1. introduction to clam in home file for clam part of the Odyssey. [Text only]

Clam : [] 1. snail meets clam animation. [Animation]

Clam : [map] 1. snail's map with clam highlighted. [Drawing]

Clam : [classification] 1. classification of SubClass Heterodonta, including clams. [Text only]

Clam : [predation] 1. several species eaten by crabs. Boulding 1984 [Photo]

Clam : [quiz] 1. quiz on features of clams that make them more or less vulnerable to being attacked and eaten. [Text only]

Clam : [suspension feeding] 1. description of feeding in a clam. [Text only]

Clam : [burrowing] 1. description of burrowing in soft substrata. Ansell & Nair 1969 [Drawing]

Clam : [larva, predation] 1. introductory remarks about predators of clams during their llfe cycle. [Photo]

Clam : [life cycle, reproduction] 1. generalised life cycle information. Abraham & Dillon 1986 [Drawing]

Clam : [habitat, diversity] 1. brief introduction to bivalve diversity on the west coast. [Photo]

Clam : [habitat, diversity] 1. brief introduction to bivalve diversity on the west coast. [Photo]

Clam : [PSPs] 1. compare efficacy of 5 tests for PSPs on several types of bivalves in Kodiak, Alaska. Costa et al. 2009 []

Clinocardium nuttallii: [prey] 1. cockles are main prey of octopuses Enteroctopus dofleini. Hartwick et al. 1981 [Photo]

Clinocardium nuttallii: [prey] 1. eaten by sea stars Pisaster brevispinus. [Photo]

Clinocardium nuttallii: [defense, prey] 1. illustrates defense-escape mechanism of Clinocardium from an attacking sunflower star Pycnopodia helianthoides. [Photo]

Clinocardium nuttallii: [] 1. cockle escapes attack by juvenile sunflower star Pycnopodia helianthoides. [Video]

Clinocardium nuttallii: [predation, vulnerability] 1. comparison of 8 species of clams for vulnerability to predation. Boulding 1984 [Photo, Drawing]

Clinocardium nuttallii: [energetics, suspension feeding] 1. energy cost of pumping. Bernard & Noakes 1990 [Text only]

Clinocardium nuttallii: [growth, tides] 1. growth lines correspond with daily tides. Evans 1972 [Graph]

Clinocardium nuttallii: [growth, tides] 1. growth lines correspond with daily tides. Evans 1972 [Graph]

Clinocardium nuttallii: [acontia, growth, season] 1. yearly growth lines. Gallucci & Gallucci 1982 [Photo]

Clinocardium nuttallii: [nutrition, symbiont] 1. green algal symbionts may contribute to nutrition. Cooke 1975 [Photo]

Clinocardium nuttallii: [acontia, predation] 1. in northern Washington preyed upon by gulls Larus glaucescens. Kvitek 1991 [Photo]

Clinocardium nuttallii: [hermaphroditism, reproduction] 1. no evidence of self-fertilisation. Galucci & Galluci 1982 [Photo]

Clinocardium nuttallii: [reproduction] 1. compares with 3 other bivalve species in Oregon. Robinson & Breese 1982 [Text only]

Clinocardium nuttallii: [] 1. . [Photo]

Clinocottus globiceps: [predator] 1. predator of sea anemones Anthopleura elegantissima and Epiactis prolifera. Yoshiyama et al. 1996 [Photo]

Clinocottus globiceps: [predator] 1. comments on resistance to nematocysts of its sea-anemone prey. Yoshiyama et al. 1996 [Text only]

Clupea harengus pallasi: [predation] 1. preferred prey of hydromedusan Aequorea victoria . Purcell et al. 1987 [Photo]

Clupea harengus pallasi: [preferences, prey] 1. eaten preferentially by 8 species of pelagic soft-bodied predators, including several species of hydromedusans. Purcell 1990 [Drawing]

Clupea harengus pallasi: [predation, prey] 1. as larvae eaten by jellyfish Aurelia labiata. Arai & Hay 1982 [Drawing]

Clupea  harengus pallasi: [predation] 1. eaten by several species of hydromedusans. Arai & Hay 1982 [Graph]

Clymenella californica: [feeding] 1. comparson of feeding in 3 maldanid species in Tomales Bay, California including Axiothella rubrocincta and Praxillella pacifica. Kudenov 1977 [Drawing]

Clytia gregaria: [development, skeleton] 1. carbohydrates deposited during development play a skeletal supporting role. Bonner 1955 [Drawing]

Clytia gregaria: [predation, preferences] 1. a common prey item in Oregon is copopods Arcartia clausi and related species. 2. several hydromedusan species included in study. McCormick 1969 [Photo]

Clytia gregaria: [feeding] 1. relationship of feeding and growth with seasonal plankton blooms. Huntley & Hobson 1978 [Text only]

Clytia gregaria: [food, predation, preferences] 1. prefer to eat euphausid eggs in Saanich Inlet in springtime. Larson 1987 [Text only]

Clytia gregaria: [development, life cycle, reproduction] 1. . Roosen-Runge 1962 [Drawing]

Clytia gregaria: [density, physiological ecology, salinity] 1. experiments on perception of salinity discontinuities. Arai 1973 [Text only]

Clytia hemisphaerica: [development, life cycle, reproduction] 1. . Roosen-Runge 1970 [Photo]

Clytia lomae: [food, predator, preferences] 1. prefer to eat euphausid eggs in Saanich Inlet in springtime. Larson 1987 [Text only]

Clytia spp.: [digestion, feeding, ration] 1. comparative information for 3 Clytia species eating euphausid eggs. Larson 1987 [Graph]

Colidotea rostrata: [brooding, reproduction, symbiont] 1. breed all year long, but with spring/summer peaks. 2. live symbiotically with sea urchins Strongylocentrotus spp.. Stebbins 1989 []

Colidotea rostrata: [brooding, reproduction, symbiont] 1. breed all year long, but with spring/summer peaks. 2. live symbiotically with sea urchins Strongylocentrotus spp.. Stebbins 1989 []

Cordylophora caspia: [habitat, physiological ecology, preferences] 1. relationship of certain environmental factors such as temperature and salinity to population growth in San Francisco estuary. 2. introduced species from Black and Caspian Seas. Meek et al. 2012 [Text only]

Corella willmeriana: [predation] 1. in areas of the northwest are eaten by flatworms Eurylepta leoparda. Lambert 1968 [Photo]

Corella willmeriana: [predation] 1. in areas of the northwest are eaten by flatworms Eurylepta leoparda. Lambert 1968 [Photo]

Coronula diadema: [development, settlement, substratum preference] 1. preferentially settle on humpback whales Megaptera novaeangliae. Nogata & Matsumura 2006 [Photo]

Corophium spp.: [feeding] 1. description of variable feeding modes in Corphium spp.. Miller 1984 [Drawing]

Corophium spp.: [photo courtesy] 1. drawing courtesy Meadows & Read 1966 J Zool 150L 387. Meadows & Read 1966 [Drawing]

Corvus caurinus: [diet, preferences] 1. in paired preference tests the crows invariably choose the heavier of the 2 prey items. O'Brien et al. 2005 [Photo]

Corvus corax: [predator] 1. prey on sand crabs Emerita analoga in Oregon. 2. prefer gravid crabs. Hendricks & Hendricks 2011 [Photo]

Corvus corax: [photo courtesy] 1. photo courtesy My Audio School website. My Audio School [Photo]

Corymorpha palma: [development, reproduction] 1. aspects of life cycle in California. Torrey 1907 [Photo, Drawing]

Corymorpha sp: [camouflage, mimicry] 1. description of an amphipod species that closely resembles the colour and pattern of its host hydroid . [Photo]

Corymorpha  palma: [aesthete, photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Corymorpha  palmata: [anchor] 1. polyp anchors in mud substrata using stolons. Campbell 1968 [Photo]

Corynactis californica: [heat-shock proteins, aggression] 1. levels of Hsp70 in relation to warrior-polyp stress. Rossi & Snyder 2001 [Photo, Graph]

Corynactis californica: [aggression, clone] 1. levels of intra- and interspecific aggression. [Photo]

Corynactis californica: [acontia] 1. use of acontia or mesenterial filaments in aggression. [Photo]

Corynactis californica: [aggression] 1. interspecific aggression against cup corals and sea anemones. Chadwick 1987 [Drawing]

Corynactis californica: [aggression] 1. tests of interspecifica aggress against other cnidarians. Chadwick 1987 [Photo, Table of Data]

Corynactis californica: [locomotion] 1. locomotion of polyps after asexual division. Chadwick & Adams 1991 [Photo, Graph]

Corynactis californica: [] 1. photo courtesy Joseph Dougherty, California. Doutherty [Photo]

Corynactis californica: [clone, physiological ecology] 1. effect of reciprocal transplants of clones on several physiological parameters. Edmunds 2007 [Photo]

Corynactis californica: [reproduction, spawning] 1. first description of sexual reproduction in C. californica. Holts & Beauchamp 1993 [Photo]

Corynactis californica: [interspecific] 1. competitively dominant over cup corals Balanophyllia elegans. Chadwick 1991 [Photo, Graph]

Corynactis  californica: [defense] 1. provides the bivalve Chama arcana protection from sea-star predators. Patton et al. 1991 [Photo, Graph]

Coryne sp.: [functional morphology, nematocyst] 1. review of nematocyst action . Kass-Simon & Scappaticci 2002 [Photo, Drawing]

Crab : [cardiovascular, locomotion] 1. cardiac shunting to leg muscles during walking. Wachter & McMahon 1996 [Text only]

Crab : [] 1. reference to work on osmotic abilities. Gross 1957 [Graph]

Crab : [osmotic regulation] 1. reference to work on osmotic abilities. Gross 1959 [Graph]

Crab : [osmotic regulation] 1. reference to general work on osmotic relations of crabs. Prosser et al. 1955 [Text only]

Crab : [] 1. introduction to crabs in Crab part of home file in A Snail's Odyssey website. [Text only]

Crab : [] 1. animation of snail meeting crab. [Animation]

Crab : [] 1. snail's map with crab highlighted. [Drawing]

Crab : [classification] 1. classification of Order Decapoda with emphasis on brachyuran and anomuran crabs. [Text only]

Crab spider: [predation] 1. in Pacific Grove, California are eaten by at least 12 species of fishes. Hines 1982 [Text only]

Crabs : [settlement, upwelling] 1. greater settlement in leeward regions of Bodega Head than in windward, coincidental with upwelling conditions. Mace & Morgan 2006 [Drawing]

Crassicorophium bonelli: [defense] 1. produces silk from glands in its legs to help construct its protective tube. Kronenberger et al. 2011 [Photo, Drawing]

Crassostrea gigas: [suspension feeding] 1. energy cost of pumping. Bernard & Noakes 1990 [Text only]

Crepidula adunca: [parasitism] 1. commonly inhabit the shells of trochid snails. 2. usually considered parasites. Evans 1992 [Photo]

Crepidula adunca: [parasitism] 1. occupies the shells of numerous gastropods. 2. may benefit from some sea-star predation, as the host may itself run from the predator. Vermeij et al. 1987 [Photo, Graph]

Crepidula adunca: [behaviour, mating, protandry, reproduction] 1. description of mating behaviour, fecundity, and development to crawl-away juveniles. Coe 1949 [Drawing]

Crepidula adunca: [behaviour, host] 1. behaviour on host snails Chlorostoma funebralis. 2. crawl-away juveniles of Crepidula often fall off the parent's host snail. Putnam 1964 [Photo, Drawing]

Crepidula onyx: [behaviour, larva, protandry, reproduction] 1. description of mating, fecundity, and free-living larval life. Coe 1949 [Drawing]

Crepidula onyx: [genetics] 1. find general lack of population structure in the Mission Bay, California area. Plutchak et al. 2006 [Photo]

Crepidula onyx: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Crepidula plana: [protandry, reproduction] 1. description of penis morphology during change from male to female in sexual development. Coe 1938 [Drawing]

Crepidula spp.: [protandry, reproduction] 1. conditions relating to sexual change from male to female during development. Coe 1938 [Drawing]

Cribrinopsis fernaldi: [development, reproduction, brooding] 1. sexual reproduction involves brooding, then release of planulae. Siebert & Spaulding 1976 [Photo]

Crossaster papposus: [predation] 1. photograph in connection with possible role as predator of sea anemone Stomphia. [Photo]

Cryptochiton stelleri: [gas exchange, ctenidia] 1. describes counter-current exchange system in ctenidia. Petersen & Johansen 1973 [Photo, Drawing]

Cryptochiton stelleri: [exretory] 1. reference to a detailed account of the circulatory and excretory systems. Heath 1905 [Text only]

Cryptochiton stelleri: [distribution, habitat, preferences, aging] 1. aging based on growth lines on shell plates. Lord 2011 [Photo, Graph]

Cryptochiton stelleri: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle. Schroeder [Photo]

Cryptochiton stelleri: [orientation, radula, homing] 1. discovery of magnetite in chiton radulae. Lowenstam 1962 [Text only]

Cryptochiton stelleri: [radula] 1. histological study of mineralisation of radular cusps. 2. deposition of magnetite. Carefoot 1965 [Photo]

Cryptochiton stelleri: [mineralisation, radula] 1. mineralisation of radular cusps. Lowenstam 1967 [Photo, Drawing]

Cryptochiton stelleri: [feeding] 1. video of Cryptochiton stelleri in field. [Video]

Cryptochiton stelleri: [aging, growth] 1. aging through count of growth lines on shell plates. MacGinitie & MacGinitie 1968 [Photo]

Cryptochiton stelleri: [mark-recapture] 1. use mark-recapture study to determing growth rate and age. Palmer & Frank 1974 [Graph]

Cryptochiton stelleri: [predator] 1. defensive curling of body. [Photo]

Cryptochiton stelleri: [acontia, predation] 1. preyed upon by whelk Ocinebrina lurida. Talmadge 1975 [Photo]

Cryptochiton stelleri: [gonad index, season, spawning] 1. both sexes spawn in Mar/May. Tucker & Giese 1962 [Photo, Graph]

Cryptochiton stelleri: [development, growth, inducer, settlement] 1. algal inducers to settlement and early growth of juveniles. Lord 2011 [Photo, Graph]

Cryptochiton stelleri: [acontia, repair, shell] 1. comparison with Katharina tunicata. Tucker & Giese 1959 [Photo]

Cryptochiton stelleri: [morphology, symbiont] 1. skin bears protective tufts of spicules that appear to keep away symbionts and settling algal spores. MacGinitie & MacGinitie 1968 [Photo]

Cryptochiton stelleri: [chemical, symbiont, attractant] 1. Y-tube experiments on attractant factor. Webster 1968 [Photo]

Cryptochiton stelleri: [chemical, symbiont, attractant] 1. Y-tube experiments on attractant factor. Webster 1968 [Photo]

cryptolithodes  typicus: [defense] 1. overhanging carapace does double duty in camouflaging and physical protection. [Video]

Cryptomya californica: [burrowing, commensalism] 1. describes relationship with host shrimp Neorymaea californiensis. Lawry 1987 [Drawing]

Cryptomya californica: [photo courtesy] 1. drawing courtesy C.M. Yonge, England. Yonge 1952 [Drawing]

Cucumaria frondosa: [connective tissue] 1. agents such as calcium and proteins involved in state-transformation of collagenous connective-tissues. Koob et al. 1999 [Photo]

Cucumaria frondosa: [photo courtesy] 1. photo courtesy Barcode of Life Data Systems. [Photo]

Cucumaria miniata: [genetics, larval dispersal] 1. compare genetic structure with a brooding species Cucumaria pseudocurata. Arndt & Smith 1998 [Drawing]

Cucumaria miniata: [development, lecithotrophic] 1. overview of developmental modes in west-coast holothuroids. 2. similar lecithotrophic development to C. piperata, Eupentacta quinqesemita, and Psolus chitonoides. Rutherford 1973 [Photo]

Cucumaria miniata: [tentacle] 1. description of tentacle withdrawal. [Photo]

Cucumaria miniata: [locomotion] 1. description of state-transformation of collagen in body wall. 2. crawls through the tiniest cracks. [Photo]

Cucumaria miniata: [behaviour, spawning] 1. in San Juan Islands, Washington spawn in March-May. 2. description of egg pellet. Shimek 1987 [Photo]

Cucumaria miniata: [spawning] 1. description of egg pellets. McEuen 1988 [Photo]

Cucumaria miniata: [spawning] 1. description of spawning incident in British Columbia in March. Sewell & Levitan 1992 [Photo]

Cucumaria miniata: [fertilisation success, quiz] 1. quiz on conditions for optimal fertilisation success. [Text only]

Cucumaria miniata: [defense, egg, larva] 1. possible defensive toxins in eggs and larvae. Iyengar & Harvell 2001 [Photo, Graph]

Cucumaria piperata: [suspension feeding] 1. brief description of process. [Photo]

Cucumaria pseudocurata: [growth, life cycle] 1. possible 5yr lifespan. Rutherford 1973 [Graph]

Cucumaria pseudocurata: [brooding, genetics] 1. compares genetic structure with a larval dispersing species. Arndt & Smith 1988 [Drawing, Graph]

Cucumaria pseudocurata: [gonad index, reproduction, season] 1. broods through winter in Sonoma County, California. Rutherford 1973 [Graph]

Cucumaria spp.: [defense, toxin] 1. compares toxicity of different body extracts of 14 species of sea cucumbers on fishes in California. Bakus 1974 [Text only]

Cucumber : [] 1. introduction to sea cucumbers in home file for sea cucumbers in A Snail's Odyssey website. []

Cucumber : [] 1. animation of snail meeting sea cucumber. [Animation]

Cucumber : [] 1. snail's map with sea cucumber highlighted. []

Cucumber : [classification] 1. brief classification of Class Holothuroidea. []

Cucumber : [defense, predator] 1. brief overview of chemical defenses . Bryan et al. 1997 [Text only]

Cucumber : [gas exchange] 1. general description of gas exchange. [Drawing]

Cucumber : [reproduction] 1. introduction to sea-cucumber reproduction. [Drawing]

Cucumber : [locomotion, connective tissue] 1. state transformation of collagen involved in locomotion. Motokawa 1985 [Drawing]

Cup coral : [map] 1. snail's map highlighting cup coral. [Drawing]

Cup coral : [classification] 1. classification of Order Scleractinia, emphasising cup corals. [Text only]

Cup coral : [] 1. introduction to cup corals in home file for cup coral part of the Odyssey. [Photo]

Cup coral : [] 1. animation cartoon of snail meeting cup coral. [Animation]

Cyamus boopis: [parasitism] 1. whale lice on a dead humpback whale. 2. different instars visible. Rowntree 1996 [Photo]

Cyanea capillata: [diet] 1. summer diet in Alaska is primarily larvaceans. Purcell & Sturdevant 2001 [Photo]

Cyanea capillata: [photo courtesy] 1. photo courtesy Dan Leus, DFO, Nanaimo. Leus [Photo]

Cyanea capillata: [diet] 1. diets in Alaska. 2. some dietary overlap with commercial fishes. Purcell 2002 [Photo]

Cyanea capillata: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Wall University, Washington. Cowles [Photo]

Cyanea capillata: [predation] 1. off the coast of Nova Scotia are eaten by leatherback turtles Dermochelys coriacea. Heaslip et al. [Photo]

Cyanea sp.: [behaviour, predator] 1. video showing jellyfishes getting caught up in the tentacles of sea anemones Metridium sp.. [Video]

Cyanoplax hartwegii: [osmotic regulation, freshwater] 1. volume regulation in face of freshwater diluteion. McGill 1976 [Photo, Graph]

Cyanoplax hartwegii: [photo courtesy] 1. photo courtesy James Watanabe, California. Watanabe [Photo]

Cyanoplax hartwegii: [diet] 1. eats several types of plant material, but with emphasis on Silvetia compressa. Robb 1975 [Photo]

Cyanoplax hartwegii: [photo courtesy] 1. photo courtesy Jim Watanabe, Hopkins Marine Station, Pacific Grove, California. Watanabe [Photo]

Cyanoplax hartwegii: [defense, hide away] 1. seek protection from covering of algae Sivetia compressa from sea-star protection. DeBevoise 1975 [Photo]

Cyanoplax hartwegii: [photo courtesy] 1. photo courtesy Jim Watanabe, Stanford University, California. Watanabe [Photo]

Cyanoplax hartwegii: [homing] 1. weak tendency only for homing. Lyman 1975 [Photo]

Cyanoplax hartwegii: [photo courtesy] 1. photo courtesy Jim Watanabe, Hopkins Marine Station, Pacific Grove, California. Watanabe [Photo]

Cyanoplax hartwegii: [predation, preferences] 1. western gulls Larus occidentalis prefer Nuttallina californica over this species. Moore 1975 [Photo]

Dentella californica: [] 1. description of mating . 2. taxonomy of this species is uncertain. Caine 1979 [Text only]

Dentella californica: [] 1. preyed on by fishes in San Juan Islands, Washington. Caine 1979 [Photo]

Dermasterias imbricata: [predation] 1. predator on sea anemones Stomphia spp. and Urticina spp.. Lawn & Ross 1982 [Photo]

Dermasterias imbricata: [predation] 1. predator of sea anemones Urticina spp.. Elliott et al. 1985 [Drawing]

Dermasterias imbricata: [predation] 1. photograph in connection with its role as predator of sea anemone Stomphia. [Photo]

Dermasterias imbricata: [chemical, predation] 1. skin secretion induces swimming in sea anemone Stomphia. Ross & Sutton 1964 [Photo]

Dermasterias imbricata: [predation, stimulus] 1. tests on swimming induction in sea anemones Stomphia spp. using various extracts and exudates of skin. Ward 1965 [Text only]

Dermasterias imbricata: [predation, stimulus] 1. report structure of imbricatine, swimming stimulus for sea anemones. Pathirana & Andersen 1986 [Text only]

Dermasterias imbricata: [predation, stimulus] 1. description of secretory cells in skin possibly involved in swimming induction in sea anemones Stomphia spp.. Ward 1965 [Photo]

Dermasterias imbricata: [predation, stimulus] 1. forces sea-anemone prey Stomphia to live at deeper depths. Dalby et al. 1988 [Text only]

Dermasterias imbricata: [predation, symbiont] 1. fate of symbionts of prey sea anemone Anthopleura elegantissima after being consumed by sea star. Bachman & Muller-Parker 2007 [Photo, Graph]

Dermasterias imbricata: [predator] 1. predator of many types of cnidarians, including sea anemones. [Photo]

Dermochelys coriacea: [diet, predator, preferences] 1. review of predation on jellyfishes, including leatherback turtles. 2. prefers jellyfishes in its diet. Arai 2005 [Photo]

Dermochelys coriacea: [photo courtesy] 1. photo courtesy Jeff Stillwell. Stillwell [Photo]

Dermochelys coriacea: [diet, predator] 1. off the California coast eat various species of jellyfishes. Benson et al. 2007 [Photo]

Dermochelys coriacea: [photo courtesy] 1. photo couresy M. Hastings. Hastings [Photo]

Dermochelys coriacea: [biologging] 1. use echosounders to monitor leatherback turtles in California. Graham et al. 2010 [Text only]

Dermochelys coriacea: [biologging, diet, predator] 1. use attached cameras to monitor the turtle's feeding on jellyfishes, Cyanea capillata. 2. study off Cape Breton Island, Nova Scotia. Heaslip et al. [Photo]

Diodora  aspera: [growth, shell] 1. details of formation of hole. Pernet 1997 [Photo, Graph]

Diodora  aspera: [camouflage, chemical camouflage, defense] 1. shells usually covered in growths of tunicates, sponges, and bryozoans, but whether for visual or chemical camouflage, or something else, not known. [Photo]

Diodora  aspera: [defense] 1. employs novel mantle response to presence of sea-star predators. Margolin 1964 [Photo]

Diodora  aspera: [defense] 1. video showing a keyhole limpet erecting its mantle defenses in response to the presence of a sea star Orthasterias koehleri. [Video]

Diodora  aspera: [defense, morphology, phylogeny] 1. lists sea stars that provoke a mantle response and ones that don't. Margolin 1964 [Graph]

Diodora  aspera: [defense, morphology, phylogeny, mantle response] 1. investigates whether there is a morphological phylogeny of mantle responses to different taxa of sea stars. Blake 1987 [Graph]

Diodora  aspera: [defense, mantle response, phylogeny, molecular] 1. can a phylogeny derived from morphological/molecular characters be helpful in predicting mantle responses to various taxa of sea-star predators. Lafay et al. 1995 [Graph]

Diodora  aspera: [defense, mantle response, molecular, phylogeny] 1. is a molecular-phylogeny approach useful in predicting whether mantle responses occur in the presence of certain taxa of sea stars?. Wada et al. 1996 [Graph]

Diodora  aspera: [defense, mantle response] 1. does analysis of diet or habitat of sea stars help in predicting whether a mantle response occurs to a certain species of sea star?. Margolin 1964 []

Diodora  aspera: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Diodora  aspera: [gas exchange, water flow] 1. water flow augmented by passive suction action. Voltzow & Collin 1995 [Photo, Drawing]

Diodora  aspera: [gas exchange, water flow] 1. water-flow patterns traced and analysed. Voltzow 2004 [Drawing]

Diodora  aspera: [defense, symbiont] 1. symbiotic scaleworm Arctonoe vittata in the mantle cavity is known to come out to bite at the tube-feet of attacking sea stars. [Photo]

Distaplia occidentalis: [parasitism, symbiont] 1. multiple colour morphs growing on the shell of a keyhole limpet Diodora aspera. [Photo]

Doto  columbiana: [photo courtesy] 1. photo courtesy Jeff Goddard, UC Santa Barbar. Goddard [Photo]

Echinoderm : [connective tissue] 1. overview of state-transformation of collagenous connective-tissues in different echinoderms. Wilkie 1983 [Text only]

Elliptochloris marina: [symbiont, zoochlorella] 1. confirm designation of green-algal symbiont in Anthopleura spp. as Elliptochloris marina. Letsch et al. 2009 [Text only]

Emerita analoga: [defense] 1. camouflage defense against speckly sand. Mead 1917 [Photo]

Emerita analoga: [aggregation, settlement] 1. aggregations favour reproduction. Efford 1965 [Photo]

Emerita analoga: [burial, burrowing, defense] 1. bury in sand for protection. 2. description of burrowing process. Faulkes & Paul 1997 [Photo, Drawing]

Emerita analoga: [burial, burrowing, defense] 1. aspects of defensive burial. Faulkes & Paul 1997 [Photo, Drawing]

Emerita analoga: [burial, defense] 1. aspects of behaviour . Paul 1981 [Photo, Drawing]

Emerita analoga: [burrowing, efficacy] 1. comparison with 2 other Californian species of mole crabs. Dugan et al. 2000 [Graph]

Emerita analoga: [burial, defense, predation] 1. burial rates in relation to coarseness of sand, and degree of gravidity and parasite load. Kolluru et al. 2011 [Photo]

Emerita analoga: [photo courtesy] 1. photo courtesy Lovell & Libby Langstroth, California. Langstroth [Photo]

Emerita analoga: [behaviour, orientation] 1. beach orientation after eye removal. Mead 1917 [Drawing]

Emerita analoga: [aggregation, intertidal level, tides, movement] 1. movement of aggregations up and down the beach with the tides. MacGinitie 1938 [Photo]

Emerita analoga: [aggregation, behaviour, movement, tides] 1. . Efford 1965 [Graph]

Emerita analoga: [behaviour, movement, tides] 1. movements may relate to avoidance of "puddled" sand. Cubit 1969 [Drawing]

Emerita analoga: [behaviour, mark-recapture, movement] 1. monitor down-beach movements of aggregations. Dillery & Knapp 1970 [Text only]

Emerita analoga: [aggregation, behaviour] 1. new insights on an old problem. Fusaro 1980 [Text only]

Emerita analoga: [genetics] 1. no significant population subdivision over entire west-coast distribution. Dawson et al. 2011 [Drawing]

Emerita analoga: [dispersal, larva] 1. study of dispersal of zoeae. Johnson 1939 [Photo]

Emerita analoga: [el Niño, megalopa, oceanic processes, settlement] 1. settlement and recruitment under different oceanic conditions. Sorte et al. 2001 [Text only]

Emerita analoga: [growth, moulting] 1. comparison of growth in 2 areas. Fusaro 1978 [Photo, Graph]

Emerita analoga: [predation] 1. in Oregon eaten by ravens Corvus corax. 2. gravid crabs most preferred. Hendricks & Hendricks 2011 [Photo]

Emerita analoga: [predation] 1. on beaches in Peru eaten by several species of sea gulls. Hidalgo et al. 2010 [Photo]

Emerita analoga: [copulation, mating, reproduction] 1. details of mating behaviour of crabs in southern California. MacGinitie 1938 [Photo]

Emerita analoga: [larva] 1. description of zoeal stages. Johnson & Lewis 1942 [Drawing]

Emerita analoga: [ovigerous, reproduction, season] 1. seasonality of egg-bearing at Pacific Grove, California. Boolootian et al. 1959 [Graph]

Emerita analoga: [copulation, reproduction, spermatophore] 1. reproductive behaviour of small-sized males. Efford 1967 [Drawing]

Emerita analoga: [reproduction, season] 1. possibility of protandric hemaphrotidism. Barnes & Wenner 1968 [Graph]

Emerita analoga: [protandry, reproduction] 1. early reference to protandric hermaphrotidism. Weymouth 1919 [Text only]

Emerita analoga: [reproduction, season] 1. possibly several broods per season. Cox & Dudley 1968 [Photo]

Emerita analoga: [photo courtesy] 1. photo courtesy Lovell & Libby Langstroth. Langstroth [Photo]

Emerita analoga: [egg, biochemistry] 1. identify several types of carotenoid substances. Gilchrist & Lee 1972 [Text only]

Emerita analoga: [larval dispersal, recruitment, upwelling] 1. study of larval recruitment in relation to upwelling and shore topography. Diehl et al. 2007 [Photo, Drawing, Graph]

Emerita analoga: [photo courtesy] 1. photo courtesy G. Jensen, California. Jensen [Photo]

Emerita analoga: [suspension feeding] 1. detailed study of mechanism of feeding. Knox & Boolootian 1963 [Drawing]

Emerita analoga: [burrowing] 1. mechanism of burrowing as part of general feeding process. Truman & Ansell 1969 [Photo, Drawing]

Emerita analoga: [suspension feeding] 1. structure of filtering setae on antennae. MacGinitie 1938 [Photo, Drawing]

Emerita analoga: [PSPs, suspension feeding] 1. uptake of PSPs through consumption of dinoflagellates provides a natural indicator of toxin's presence . Bretz et al. 2002 [Text only]

Emerita rathbunae: [behaviour, copulation, reproduction, spermatophore] 1. reproductive behaviour of small-sized males. Efford 1967 [Drawing]

Emerita  analoga: [parasitism] 1. parasitised by tematodes and acanthocephelans in areas of California. Smith 2007 [Graph]

Emplectonema kandai: [luminescent] 1. describes luminescence. Kanda 1937 [Text only]

Enhydra lutris: [predation] 1. sea-otter predation on abalone stocks. Woodby et al. 2000 [Photo, Graph]

Enhydra lutris: [behaviour, feeding] 1. describes fishing behaviour of sea otters for abalone. Houk & Geibel 1974 [Photo]

Enhydra lutris: [photo courtesy] 1. photo courtesy SIERRASOL and an unknown photographer. SIERRASOL [Photo]

Enhydra lutris: [predator] 1. favour clams as prey in the Kodiak Archipelago, Alaska. Doroff & DeGange 1994 [Photo]

Enhydra lutris: [feeding, nutrition, costs] 1. biomass of clam prey differs with species and burial depth in Elkhorn Slough, California. 2. compares 2 prey speces: Saxidomus nuttallii and Tresus nuttallii. Kvitek et al. 1988 [Drawing]

Enhydra lutris: [predator, nutritional yield] 1. compare flesh yield from prey bivalves Tresus spp., Protothaca staminea, and Macoma spp. in Kodiak Archipelago, Alaska. Kvitek et al. 1992 [Drawing, Graph]

Enhydra lutris: [predator] 1. ranking of prey in Santa Cruz, California based on net energy benefit. Ostfeld 1982 [Photo, Table of Data]

Enhydra lutris: [energetics] 1. ranks several prey types in Prince William Sound, Alaska based on energy yield. Garshells et al. 1986 [Drawing, Table of Data]

Enhydra lutris: [predator] 1. in areas of Prince William Sound, Alaska diet is about 75% clams. Wolt et al. 2012 [Graph]

Enteroctopus dofleini: [predator] 1. preys mainly on bivalves Clinocardium nuttallii and Protothaca staminea. Hartwick et al. 1981 [Photo]

Epiactis prolifera: [feeding, stimulus] 1. experiments on feeding stimuli. Lenhoff1965 [Photo]

Epiactis prolifera: [behaviour, locomotion] 1. locomotory movements in the field. Dunn 1977 [Photo]

Epiactis prolifera: [reproduction, parthenogenesis] 1. sexual reproduction may involve hermaphroditism and parthenogenesis. 2. young are brooded externally. Bucklin et al. 1984 [Photo]

Epiactis prolifera: [brooding, reproduction, hermaphroditism] 1. aspects of sexual reproducion, including external brooding. Edmands & Potts 1997 [Photo]

Epiactis prolifera: [quiz] 1. quiz on advantage of being self-fertile. [Text only]

Epiactis prolifera: [brooding, reproduction, sexual] 1. features of brooding. Dunn 1975 [Photo]

Epiactis prolifera: [brooding, reproduction, sexual] 1. features of brooding. Dunn 1977 [Photo]

Epiactis prolifera: [camouflage, habitat] 1. colour morphs match habitat colour. Dunn 1977 [Photo]

Epiactis prolifera: [quiz] 1. quiz on advantages of brooding. [Text only]

Epiactis prolifera: [quiz] 1. quiz on morphological features relating to brooding. [Text only]

Epiactis spp.: [reproduction, sexual] 1. reproduction in Epiactis spp. compared. Dunn 1975 [Photo]

Epiactis spp.: [reproduction, sexual] 1. reproduction in Epiactis spp. compared. Fautin & Chia 1986 [Photo]

Epitonium indianorum: [feeding, preferences] 1. favours tentacles of sea anemones Urticina spp. as food. Smith 1977 [Photo]

Epitonium spp.: [behaviour, feeding] 1. observations of their biology. Salo 1977 [Photo]

Epitonium tinctum: [feeding, preferences] 1. favours tentacles of sea anemones Anthopleura spp.. Smith 1977 [Photo]

Epitonium tinctum: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Eschrichtius robustus: [predation] 1. first description of gray whales feeding on subtidal populations of amphipods. Oliver et al. 1984 []

Eschrichtius robustus: [predation] 1. gray whales feed on subtidal populations of amphipods in British Columbia. Dunham & Duffus 1984 [Text only]

Eudistylia vancouveri: [host] 1. describes relationship of hydroid Proboscidactyla flavicirrata as an obligate commensalism. Strickland 1971 [Photo]

Eupentacta quinquesemita: [ossicles] 1. general comments about role of ossicles in defense. [Photo]

Eupentacta quinquesemita: [photo courtesy] 1. photo courtesy Phil Lambert, Royal British Columbia Museum, Victoria. 2. also photograph of spicules of Pseudocnus curatus. Lambert [Photo]

Eupentacta quinquesemita: [osmoconformer, salinity, environmental physiology] 1. observations on osmotic effects of salinity changes in southeastern Alaska. Denoux 1976 [Photo]

Eupentacta quinquesemita: [evisceration, season] 1. seasonally eviscerate in autumn. 2. funtion may be to eliminate "brown-body" wastes. Byrne 1985 [Photo, Graph]

Eupentacta quinquesemita: [evisceration, ultraviolet] 1. describes process. Byrne 1985 [Photo, Drawing]

Eupentacta quinquesemita: [evisceration, neurosecretion] 1. seasonal evisceration under neurosecretory control. Byrne 1985 [Text only]

Eupentacta quinquesemita: [regeneration] 1. describes gut regeneration after seasonal evisceration. Byrne 1985 [Drawing]

Eupentacta quinquesemita: [suspension feeding] 1. brief description of process. [Photo]

Eupentacta quinquesemita: [season, spawning] 1. description of egg strings. McEuen 1988 [Photo]

Eupentacta quinquesemita: [defense, evisceration, toxin] 1. neither viscera nor body eaten by fishes. Byrne 1985 [Photo]

Eupentacta quinquesemita: [evisceration] 1. aspects of evisceration process. Byrne 2001 [Photo]

Eupentacta spp.: [predation] 1. eaten preferentially by sea stars Solaster stimpsoni in the laboratory. Engstrom 1988 [Photo]

Euphysa flammea: [anoxia, oxygen consumption] 1. shows oxyconformation in hypoxic conditions. Rutherford & Thuesen 2005 [Photo, Graph]

Euryletpta californica: [aposemetism, photo courtesy] 1. photo courtesy Kevin Lee, Fullerton. 2. research needed on aposematic or warning coloration. Lee [Photo]

Euryletpta leoparda: [carnivore, feeding, food] 1. preys on tunicates Corella willmeriana. Lambert 1968 [Photo]

Euryletpta leoparda: [carnivore, feeding, food] 1. preys on tunicates Corella willmeriana. Ching 1977 [Photo]

Euryletpta leoparda: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University. Long [Photo]

Euspira heros: [borehole, morphology] 1. compare borehole size and morphology in several species of bivalves for 3 species of moon snails including E. lewisii and Neverita duplicata. Grey et al. 2005 [Photo, Graph]

Euspira lewisii: [predator] 1. preys on bivalves, including butter clams Saxidomus gigantea and littleneck clams Protothaca staminea. Pietso et al. 1994 [Photo, Graph]

Euspira lewisii: [predator] 1. when given a choice, preys preferentially upon thin-shelled morphs of littleneck clams Protothaca staminea. Grey et al. 2007 [Photo]

Euspira lewisii: [burrowing] 1. introductory comments about life style. [Photo]

Euspira lewisii: [feeding, borehole drilling] 1. general description of drilling and feeding. [Photo]

Euspira lewisii: [diet, preferences] 1. list of preferred bivalve prey. Peitso et al. 1994 [Photo]

Euspira lewisii: [borehole drilling] 1. not usual to bore into gaper clams Tresus spp. because of large gape in shells. Reid & Friesen 1981 [Photo, Text only]

Euspira lewisii: [mortality] 1. prey sometimes killed by suffocation. Reid & Gustafson 1989 [Text only]

Euspira lewisii: [borehole, morphology] 1. compare shapes and sizes of boreholes in different species of bivalves for 3 species of moon snails, including E. heros and Neverita duplicata. Grey et al. 2005 [Photo, Graph]

Euspira lewisii: [diet, preferences] 1. favoured bivalve prey in Departure Bay, British Columbia are butter clams Saxidomus gigantea. Bernard 1967 [Table of Data]

Euspira lewisii: [diet, preferences] 1. common prey in Barkley Sound, British Columbia are olive shells Callianax biplicata. [Photo]

Euspira lewisii: [quiz] 1. quiz on boreholes in olive shells Calianax biplicata. [Text only]

Euspira lewisii: [diet, preferences] 1. preference shown for thin-shelled bivalve prey Protothaca staminea. Grey et al. 2007 [Photo]

Euspira lewisii: [diet, preferences] 1. preferred prey on Denman and Hornby Islands in British Columbia are littleneck clams Prtothaca staminea. Cook & Bendell-Young 2010 [Photo, Graph]

Euspira lewisii: [growth] 1. few or no growth studies done. [Photo]

Euspira lewisii: [locomotion] 1. brief description of locomotory modes. [Photo]

Euspira lewisii: [burrowing] 1. describes mechanism of burrowing. Bernard 1968 [Photo, Drawing]

Euspira lewisii: [] 1. hypothermia useful as anaesthetic in routine surgery. Bourne 1968 [Text only]

Euspira lewisii: [burrowing] 1. animation video to show burrowing in a gastropod. [Video, Animation]

Euspira lewisii: [response, righting] 1. photo series showing righting response. [Photo]

Euspira lewisii: [burrowing] 1. video showing burial. [Video]

Euspira lewisii: [defense, predation] 1. brief description of defenses against predation. [Photo]

Euspira lewisii: [reproduction] 1. good description of egg-collar formation. Giglioli 1955 [Photo, Drawing]

Euspira lewisii: [sexual dimorphism] 1. males are larger, but their shell masses are relatively less than in females. Bernard 1986 [Photo, Graph]

Euspira lewisii: [development, larva, reproduction] 1. description of larval development. Pedersen & Page 2000 [Photo]

Euspira lewisii: [juvenile] 1. description of early juvenile stage. Page & Pedersen 1998 [Photo]

Euspira sp.: [borehole] 1. statistics on borehole drillings in bivalves in Departure Bay, British Columbia. Bernard 1967 [Text only]

Euspira spp.: [] 1. describes burrowing for European species of moon snail. Trueman & Ansell 1969 [Drawing]

Evasterias troschelii: [defense] 1. in Alaska juvenile king crabs Paralithodes camtschaticus may shelter within the arms possibly for protection. Dew 1990 [Photo]

Excirolana chiltoni: [behaviour, swimming, tidal rhythm] 1. laboratory study on swimming behaviour in synchrony with tidal rhythms. Enright 1965 [Photo, Graph]

Excirolana chiltoni: [photo courtesy] 1. photograph courtesy Peter Bryant, University of California, Irvine. [Photo]

Excirolana chiltoni: [behaviour, lunar, swimming, tidal rhythm] 1. discovers lunar involvement in tidal-rhythm swimming behaviour. Enright 1972 [Text only]

Excirolana chiltoni: [behaviour, swimming, tidal rhythm] 1. laboratory study on behavioural entrainment with natural tidal rhythms. Klapow 1972 [Graph]

Excirolana chiltoni: [development, ovoviviparity, reproduction] 1. eggs uniquely held within the uteri during development. Klapow 1970 [Drawing]

Excirolana chiltoni: [moulting, salinity] 1. young released on a fortnightly schedule. 2. stores calcium from old exoskeleton as demoliths under skin. Klapow 1972 [Drawing]

Fabia subquadrata: [commensalism, parasitism] 1. inhabit horse mussels Modiolus modiolus and several other bivalves in the San Juan Islands, Washington. 2. cause damage to gills. Pearce 1966 [Photo]

Fabia subquadrata: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Feather star : [] 1. introduction to feather stars in home file for feather-star part of the ODYSSEY. [Text only]

Feather star : [] 1. snail meets feather star. [Animation]

Feather star : [map] 1. snail's map with feather star highlighted. []

Feather star : [classification] 1. brief classification of Class Crinoidea. []

Feather star : [defense, toxin] 1. note regarding possible chemical defenses in Indo-Pacific crinoid species. Rideout et al. 1979 [Text only]

Fiona pinnata: [predator] 1. eats pelagic goose barnacles Lepas anatifera. Holleman 1972 [Photo]

Fiona pinnata: [photo courtesy] 1. photo courtesy Bill Rudman, Sea Slug Forum. Rudman [Photo]

Flabellina iodinea: [photo courtesy] 1. photo courtesy Todd Huspeni, California. Huspeni [Photo]

Flabellina sp.: [carnivore] 1. eats hydroids Corymorpha palma. [Photo]

Flabellina sp.: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Flabellina trilineata: [mimicry] 1. possible Batesian mimicry between an amphipod and Flabellina. Gosliner & Behrens 1990 [Photo]

Flabellina trilineata: [photo courtesy] 1. photo courtesy Jeff Goddard, UC Santa Barbara. Goddard 2000 [Photo]

Flabellina picta : [photo courtesy] 1. photo courtesy Jeff Goddard, UC Santa Barbara. Goddard [Photo]

Florometra  serratissima: [swimming] 1. description of swimming. [Photo]

Florometra  serratissima: [swimming] 1. video of swimming motion. [Video]

Florometra  serratissima: [feeding] 1. mechanism of capture of food particles, and formation and transport of food boluses. Byrne & Fontaine 1981 [Photo, Drawing]

Florometra  serratissima: [feeding] 1. formation and transport of food boluses. Byrne & Fontaine 1982 [Photo, Drawing]

Florometra  serratissima: [autotomy, regeneration] 1. description of regeneration events after autotomy. Mladenov 1983 [Photo, Drawing, Graph]

Florometra  serratissima: [autotomy, defense] 1. arm loss in response to attack by potential predatory sea stars Pycnopodia helianthoides and crabs Oregonia gracilis. Mladenov 1983 [Photo]

Florometra  serratissima: [defense, swimming] 1. swims on contact with sunflower stars Pycnopodia helianthoides. Mladenov 1983 [Photo]

Florometra  serratissima: [nutritional content] 1. does poor nutritional yield in a crinoid deter predators?. [Text only]

Florometra  serratissima: [egg, reproduction, sperm] 1. describes reproduction. 2. "dribble" spawner. Mladenov 1986 [Photo]

Florometra  serratissima: [development, doliolaria, larval dispersal] 1. describe unusual swimming in doliolaria larva. Mladenov & Chia 1983 [Photo, Drawing]

Florometra  serratissima: [reproduction] 1. aspects of reproduction. Chia et al. 1986 [Photo, Drawing]

Florometra  serratissima: [development, doliolaria, metamorphosis] 1. metamorphosis of doliolaria to a juvenile cystidea, then growth to a pentacrinoid stage. Mladenov & Chia 1983 [Photo, Drawing]

Florometra  serratissima: [development] 1. developmental information. Chia et al. 1986 [Photo, Drawing]

Florometra  serratissima: [acclimation experiments, development] 1. drawings of developmental stages. McEdward et al. 1988 [Drawing]

Florometra  serratissima: [photo courtesy] 1. photo courtesy Dan Leus, Nanaimo. Leus [Photo]

Florometra  serratissima: [development, energetics] 1. reduction in energy content during development. McEdward et al. 1988 [Drawing, Graph]

Florometra  serratissima: [development, energetics] 1. energy expenditure during development. McEdward & Carson 1987 [Drawing, Graph]

Florometra  serratissima: [attachment, locomotion] 1. explanation of how autotomy occurs in feather stars. Holland & Grimmer 1981 [Photo, Drawing]

Florometra  serratissima: [development, doliolaria] 1. stages in development of ciliated bands. Lacalli & West 1986 [Drawing]

Florometra  serratissima: [development, doliolaria] 1. development of cililary-band patterns. Lacalli & West 1987 [Drawing]

freshwater snail: [feeding] 1. radular scraping while crawling. [Video]

Gammarus sp.: [reproduction] 1. description of brood chamber. Friend & Richardson 1986 [Photo]

Gastopoda : [defense, development] 1. complete poem entitled, "The ballad of the veliger, or how the gastropod got its twist". Garstang 1928 [Photo]

Gastopoda torsion: [] 1. speculation on the function of torsion in gastropod development. Garstang 1929 [Drawing]

Gastopoda torsion: [development] 1. recommendation to read references section for more studies on torsion in marine gastropods. Page 2002 [Text only]

Gastropoda torsion: [development] 1. recommendation to read references section for more studies on torsion and its function in gastropods. Pennington & Chia 1985 [Text only]

Glausaulax reclusianus: [predator] 1. in Mugu Lagoon, California eats bivalves Protothaca staminea. Peterson 1982 [Text only]

Gnorimosphaeroma oregonense: [osmotic regulation, physiological ecology] 1. comparison of osmoregulatory ability with that of Sphaeroma pentodon . Riegel 1959 [Photo, Graph]

Gnorimosphaeroma oregonense: [behaviour, humidity, preferences] 1. describe behaviour to locate high-humidity areas. 2. describe possible humidity sensory cells. Standing & Beatty 1977 [Photo]

Gnorimosphaeroma oregonense: [development, reproduction, protogynous] 1. breed first as females, then change to males. Brook et al. 1994 [Photo, Graph]

Gnorimosphaeroma spp.: [taxonomy] 1. clarification of taxonomy of 2 species. Riegel 1959 [Text only]

Gnorimosphaeroma  oregonense: [digestion, symbiont] 1. comparison with another aquatic species Idotea wosnesenskii and a semiterrestrial species Ligia pallasii. 2. acquisition of gut bacterial symbionts may have aided evolution to terrestrial life in isopods. Zimmer et al. 2001 [Photo]

Gonionemus sp.: [diel, vertical migration, buoyancy] 1. regulation of sulphate ions appears not to be involved in buoyancy during diel vertical migration. 2. same results for several other species. Mills & Vogt 1984 [Graph]

Gonionemus vertens: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Gonionemus  vertens: [costs, energetics, swimming] 1. compares swimming costs with another hydromedusan Stomotoca atra. Daniel 1985 [Photo, Graph]

Goose barnace : [] 1. introduction to goose barnacle in home file for Goose-barnacle part of the Odyssey. [Photo]

Goose barnace : [] 1. snail meets goose barnacle. [Animation]

Goose barnace : [map] 1. snail's map with goose-barnacle highlighted. [Drawing]

Goose barnace : [classification] 1. classification of Infravlass Cirripedia of Subphylum Crustacea. [Text only]

Goose barnacle : [] 1. disparaging remarks about the goose-barnacle legend author John Gerard. Arber 1953 [Text only]

Gorgonocephalus eucnemis: [feeding, food] 1. foods eaten and feeding method. Patent 1970 [Photo, Drawing]

Gorgonocephalus eucnemis: [] 1. video of basket star feeding. [Video]

Gorgonocephalus eucnemis: [metabolic rate] 1. metabolic rates measured . 2. first study on a suspension-feeder done under natural water-current velocities. LaBarbera 1982 [Photo]

Gorgonocephalus eucnemis: [metabolic rate] 1. metabolic rates measured . 2. first study on a suspension-feeder done under natural water-current velocities. LaBarbera 1982 [Photo]

Gorgonocephalus eucnemis: [gonad index, reproduction] 1. uses "maturity index" to describe seasonality in reproduction. Patent 1969 [Photo, Graph]

Gorgonocephalus eucnemis: [life cycle, reproduction, symbiont] 1. describes remarkable symbiosis of juveniles that take up life during early stages within soft-coral Alcyonium sp. colonies. 2. refers to another paper Patent 1970 Mar Biol 6: 262. Patent 1970 [Photo, Drawing, Graph]

Haematopus  bachmani: [predator, preferences] 1. in Barkley Sound, British Columbia over 40% of prey is represented by 4 species of limpets Lottia. Hartwick et al. 1976 [Photo]

Haematopus  bachmani: [predation, preferences, prey] 1. diet of adult specialises on limpets Lottia spp., while mussels Mytilus spp. predominate in diet of chicks. Hartwick et al. 1976 [Text only]

Haematopus  bachmani: [predation, preferences, prey, zoea] 1. in Cape Arago, Oregon prefer a diet of limpets, with emphasis on Lottia scutum. Frank 1982 [Table of Data]

Haematopus  bachmani: [mortality, predator] 1. over 7mo feeding season a single bird can potentially eat 21,000 limpets Lottia spp.. Frank 1982 [Photo]

Haematopus  bachmani: [predator, preferences, prey] 1. in St. Nicholas Island, California generally prefer to eat limpets, with preference for Lottia digitalis and L. pelta. Lindbergh et al. 1987 [Graph, Table of Data]

Haematopus  bachmani: [predator, preferences, prey] 1. limpets Lottis spp. are preferred prey for provisioning of chicks in the Gulf Islands, British Columbia. Hazlitt et al. 2002 [Drawing]

Haliclystus sanjuanensis: [anchor, habitat] 1. describes possible use of anchors for adhesion. Hyman 1940 [Drawing]

Haliotis : [defense] 1. behaviour during escape from sea stars. Crofts 1929 [Drawing]

Haliotis : [feeding] 1. description of radula function. Crofts 1929 [Drawing]

Haliotis : [animation] 1. cartoon animation of snail meeting abalone. []

Haliotis : [map] 1. snail's map showing route back to the top of the shore. []

Haliotis : [gonad growth] 1. gonadal indices in abalone in California. Boolootian et al. 1962 [Graph]

Haliotis : [gonad growth] 1. gonadal indices in California abalone. Webber 1970 [Graph]

Haliotis assimilis: [behaviour, defense] 1. mucus release from abalones during escape from sea stars. 2. mucus causes flight or irritation responses in conspecifics. Montgomery 1967 [Text only]

Haliotis corrugata: [ecological reserve] 1. best locations to establish marine protected areas for endangered abalone stocks in California. Rogers-Bennett et al. 2002 [Drawing, Graph]

Haliotis corrugata: [fishing, growth, harvesting] 1. growth studies related to recovery time for over-fished populations. Button & Rogers-Bennett 2011 [Photo, Graph]

Haliotis cracherodii: [] 1. description of food-handling and feeding. Crofts 1929 [Photo, Drawing]

Haliotis cracherodii: [harvesting] 1. historical records of abalone harvesting on San Clemente Island, California. Raab 1992 [Photo]

Haliotis cracherodii: [genetics] 1. determination of genetic interconnectivity of populations in California. Gruenthal & Burton 2008 [Photo, Drawing]

Haliotis cracherodii: [predation] 1. in Laguna Beach, California are preyed on by octopuses. 2. characteristic octopus drill-holes are found on the abalone shells. Tissot 1988 [Photo]

Haliotis cracherodii: [genetics] 1. population differentiation of abalones along the central California coast. Hamm & Burton 2000 [Photo, Drawing]

Haliotis cracherodii: [gonad growth] 1. seasonal gonadal indices. 2. effect of temperature. Webber & Giese 1969 [Photo, Graph]

Haliotis cracherodii: [desiccation] 1. holes in shell vary in number with intertidal height. Tissot 1988 [Photo]

Haliotis fulgens: [ecological reserve] 1. relative value of even small ecological reserves for green abalone. Parnell et al. 2005 [Graph]

Haliotis fulgens: [temperature stress, climate change] 1. temperature and food-quality effects on growth, survivorship, and reproduction. 2. relevance to climate change. Vilchis et al. 2005 [Photo, Graph]

Haliotis fulgens: [larval dispersal] 1. larval dispersal on the Californian coast from release points in the Channel Islands. Tegner & Butler 1985 [Photo, Drawing]

Haliotis fulgens: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Haliotis fulgens: [growth] 1. best growth of a species at customary habitat temperature, comparing Haliotis fulgens, Haliotis corrugata, and Haliotis rufescens. Leighton 1974 [Graph]

Haliotis kamtschatkana: [defense] 1. escape from sunflower star Pycnopodia helianthoides. [Photo]

Haliotis kamtschatkana: [defense] 1. abalone escapes sunflower star Pycnopodia helianthoides. [Video]

Haliotis kamtschatkana: [defense] 1. abalone escapes sunflower star Pycnopodia helianthoides. [Photo]

Haliotis kamtschatkana: [defense, locomotion] 1. escape crawling speeds from sea stars. James & Nolen 1978 [Table of Data]

Haliotis kamtschatkana: [] 1. photograph of a juvenile . [Photo]

Haliotis kamtschatkana: [feeding, preferences] 1. feeding preferences in British Columbia and Alaska. Paul et al. 1977 [Photo, Drawing]

Haliotis kamtschatkana: [defense, development] 1. apparent lack of defensive function of torsion in abalone larvae. Pennington & Chia 1985 [Graph]

Haliotis kamtschatkana: [locomotion] 1. description of muscular contractions in the foot of an abalone used in locomotion. Miller 1974 [Photo, Drawing]

Haliotis kamtschatkana: [locomotion, energetics] 1. aspects of locomotion in an abalone. Donovan & Carefoot 1997 [Photo, Drawing]

Haliotis kamtschatkana: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby, B.C.. Long [Photo]

Haliotis kamtschatkana: [locomotion] 1. comparison of normal and escape locomotory speeds with those of Calliostoma funebralis. Donovan & Carefoot 1997 [Photo]

Haliotis kamtschatkana: [locomotion] 1. locomotory energetics in abalones. Donovan & Carefoot 1997 [Graph]

Haliotis kamtschatkana: [locomotion] 1. contribution of anaerobic energy to costs of crawling in abalone. Donovan et al. 1999 [Graph]

Haliotis kamtschatkana: [energetics, time budget] 1. comparison of seasonal activity and energy budgets. 2. oxygen-consumption studies. Donovan & Carefoot 1998 [Photo, Graph]

Haliotis kamtschatkana: [feeding, nutrition] 1. introductory comments on foods of abalones. [Photo]

Haliotis kamtschatkana: [] 1. video of "outplanting" of cultured abalone larvae courtesy James Mortimer, Bamfield Marine Sciences Centre, Bamfield Huu-ay-aht Community Abalone Project Hatchery, and Department of Fisheries and Oceans, Government of Canada. Mortimer [Video]

Haliotis kamtschatkana: [ecological reserve] 1. assessment of ecological reserves for abalone. Wallace 1999 [Drawing, Graph]

Haliotis kamtschatkana: [quiz] 1. quiz on abalones and ecological reserves. [Text only]

Haliotis kamtschatkana: [fishing, harvesting] 1. failure of abalone fisheries in British Columbia. Campbell 2000 [Graph]

Haliotis kamtschatkana: [fishing, harvesting] 1. workshop on rebuilding abalone stocks in British Columbia. Watson 2000 [Photo, Graph]

Haliotis kamtschatkana: [fishing, harvesting] 1. assessment of population statuses of abalones H. kamtschatkana and H. walallensis in California. Rogers-Bennett 2007 [Photo]

Haliotis kamtschatkana: [fishing, harvesting] 1. assessment of abalone stocks in San Juan Islands, Washington. Rothaus et al. 2008 [Drawing]

Haliotis kamtschatkana: [population] 1. population status in the San Juan Islands, Washington. Rogers-Bennett 2011 [Drawing]

Haliotis kamtschatkana: [defense] 1. abalone crawls quickly away from an attacking sunflower star Pycnopodia helianthoidesl. [Photo]

Haliotis kamtschatkana: [defense, camouflage] 1. colour and camouflaging with algae as possible means of defense. Leighton 1961 [Photo]

Haliotis kamtschatkana: [predation, ontogenetic shift] 1. experiments on possible predators of abalone, and at what age of the prey. Griffiths & Gosselin 2008 [Drawing]

Haliotis kamtschatkana: [density, population] 1. review of population densities after fisheries closure in early 1990s. 2. enhanced survival of juveniles beneath spine canopies of red sea-urchins Strongylocentrotus franciscanus. Tomascik & Holmes 2003 [Photo]

Haliotis kamtschatkana: [defense] 1. juvenile runs from a small sunflower star Pycnopodia helianthoides. [Photo]

Haliotis kamtschatkana: [reproduction] 1. reproduction of abalone. [Photo]

Haliotis kamtschatkana: [development] 1. description of development from egg through to juvenile. Page 1997 [Photo]

Haliotis kamtschatkana: [photo courtesy] 1. photos courtesy Bevelander 1988 Abalone Gross and Fine Structure The Boxwood Press, Pacif Grove, 80 pp.. Bevelander 1988 [Photo]

Haliotis kamtschatkana: [gonad growth, fecundity] 1. comparison of gonadal indices and female fecundity at wave-exposed and wave-sheltered site in Haida Gwai. Campbell et al. 2003 [Graph]

Haliotis kamtschatkana: [] 1. short review of life cycle of abalone with photograph. [Photo]

Haliotis kamtschatkana: [colour, growth, shell] 1. diet involvement in shell colour. 2. wave-effects on growth. Emmett & Jamieson 1988 [Photo, Drawing]

Haliotis kamtschatkana: [shell, coiling] 1. factors involved in initiation of shell coiling. Collin & Voltzow 1998 [Photo]

Haliotis kamtschatkana: [water flow] 1. water flow through mantle cavity assisted by Bernoulli effect. Voltzow 1982 [Photo, Drawing]

Haliotis kamtschatkana: [water flow] 1. water flow through mantle cavity assisted by Bernoulli effect. Voltzow 1983 [Photo, Drawing]

Haliotis rufescens: [habitat] 1. crevice habitation. Lowry & Pearse 1973 [Text only]

Haliotis rufescens: [behaviour, defense] 1. mucus release from abalones during escape from sea-star predators. 2. mucus causes flight or irritation responses in conspecifics. Montgomery 1967 [Text only]

Haliotis rufescens: [feeding, preferences] 1. red algae Palmaria mollis (dulse) is a better food for growth than brown kelps. Buchal et al. 1998 []

Haliotis rufescens: [nutrition] 1. nutritional studies using natural and artificial diets. Garcia-Esquivel & Felbeck 2006 [Photo]

Haliotis rufescens: [energetics] 1. larval energy stores. Jaeckle & Manahan 1989 [Graph]

Haliotis rufescens: [energetics] 1. larval energy supplies & energy balance. Jaeckle & Manahan 1989 [Text only]

Haliotis rufescens: [energetics] 1. energy shortfall during larval development made up from DOM. Shilling et al. 1996 [Photo]

Haliotis rufescens: [climate change, food quality] 1. temperature and food-quality effects on growth, survivorship, and reproduction. 2. relevance to climate change. Vilchis et al. 2005 [Photo, Graph]

Haliotis rufescens: [temperature ] 1. temperature effects on general health and level of expression of withering syndrome. Moore et al. 2011 [Text only]

Haliotis rufescens: [defense] 1. shelter from sea otters in crevices. Lowry & Pearse 1973 [Text only]

Haliotis rufescens: [defense] 1. defenses of abalone against sea otters. Hines & Pearse 1982 [Text only]

Haliotis rufescens: [development] 1. description of embryoinic development to hatching of veliger larva. Carlisle 1962 [Photo]

Haliotis rufescens: [reproduction] 1. size at sexual maturity in relation to legal-limit size. Rogers-Bennett et al. 2004 [Drawing, Graph]

Haliotis rufescens: [reproduction] 1. fertilisation success at different sperm concentrations. 2. spawning occurs in more calm water. Riffell & Zimmer 2007 [Photo, Graph]

Haliotis rufescens: [reproduction, life cycle] 1. description of larval and early life stages. Leighton 1974 [Drawing]

Haliotis rufescens: [metamorphosis] 1. use of GABA to stimulate metamorphosis . 2. GABA works better than natural coralline algae to induce metamorphosis. Morse et al. 1979 [Table of Data]

Haliotis rufescens: [metamorphosis] 1. comparison of the effectiveness of GABA as a metamorphosis inducer in abalones with several other amino-acid neurotransmitters. Morse et al. 1980 []

Haliotis rufescens: [metamorphosis] 1. addition of potassium to holding water increases settlement and attachment of larvae. Baloun & Morse 1984 [Photo, Graph]

Haliotis rufescens: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Haliotis rufescens: [larval dispersal] 1. larval transport in currents over bottom rogosities. Boxshall 2000 [Photo, Graph]

Haliotis rufescens: [] 1. photo of inside of shell to introduce topic of Shell & Growth. [Photo]

Haliotis rufescens: [pearls] 1. commercial production of pearls in abalone. Fankboner [Photo]

Haliotis rufescens: [shell, colour] 1. factors involved in shell colour. Olsen 1968 [Photo]

Haliotis sorenseni: [fishing, harvesting] 1. failure of abalone fisheries in California. Davis et al. 1998 [Text only]

Haliotis sp.: [development] 1. description of torsion in an abalone larva. Crofts 1929 [Drawing]

Haliotis sp.: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Haliotis spp.: [behaviour, defense] 1. behavioral responses to sea-star predators. 2. defensive moving of epipodial tentacles, swelling of epipodium, and twisting of shell. Montgomery 1967 [Drawing]

Haliotis spp.: [feeding, preferences] 1. feeding preferences of California abalone are for kelps, in order, Macrocystis pyrifera, Egregia menziezii, Laminaria farlowii, and Eisenia arborea. Leighton 1966 [Photo]

Haliotis spp.: [defense, development] 1. idea that torsion may function to protect a larva from adverse physical conditions, rather than defense per se. Garstang 1962 [Text only]

Haliotis spp.: [] 1. overfishing of abalone leads to increased interest in aquaculture. [Photo]

Haliotis spp.: [fishing, harvesting] 1. status of abalone fisheries in California. Tegner 2000 [Graph]

Haliotis spp.: [fishing, harvesting] 1. commercial landings of abalone in California 1942-1996. Karpov et al. 2000 [Graph]

Haliotis spp.: [fishing, harvesting] 1. consideration of options for programmes to rehabilitate west-coast abalone stocks. Friedman & Finley 2003 [Text only]

Haliotis spp.: [sensory] 1. description of sensory devices that may be used for predator detection. Crofts 1929 [Drawing]

Haliotis spp.: [] 1. introduction to abalones & relatives section of A SNAIL'S ODYSSEY. [Text only]

Haliotis spp.: [] 1. factors involved in settlement and metamorphosis of larva. Crofts 1937 [Photo, Drawing]

Haliotis spp.: [shell] 1. explanation of shell construction and shell iridescence. [Photo, Drawing]

Haliotis spp.: [water flow] 1. water flow through the mantle cavity and its functions. Crofts 1929 [Drawing]

Haliotis  rufescens: [burrowing, parasitism] 1. shells are parasitised by burrowing piddock clams Penitella conradi. Smith 1969 [Photo]

Haliplanella luciae: [nematocyst] 1. process of discharge of nematocysts. Watson & Hessinger 1989 [Drawing]

Hemigrapsus nudus: [photo courtesy, prey] 1. photo courtesy Rebecca Kordas, University of British Columbia. Kordas [Photo]

Hemigrapsus oregonensis: [predator] 1. prey on clams Venerupis philippinarum in culture trays. Smith & Langdon 1998 [Photo]

Hemigrapsus oregonensis: [exoskeleton permeability] 1. comparison in 6 species of west-coast crabs. Gross 1955 [Graph]

Hemigrapsus  nudus: [defense] 1. is regurgitation of gut juices defensive?. [Photo]

Hemigrapsus  nudus: [claw, efficacy, mechanical advantage] 1. comparison of shell-breaking efficacy of 4 species of crabs. 2. determination of mechanical advantages. Behrens Yamada & Boulding 1998 [Photo, Drawing, Graph]

Hemigrapsus  nudus: [claw, function, mechanical advantage, lever] 1. general description of claw mechanics. [Photo]

Hemigrapsus  nudus: [gas exchange, emersion] 1. effect of air exposure on gill-bailer beat frequency. 2. surface area of gills compared. Greenaway et al. 1996 [Photo, Graph]

Hemigrapsus  nudus: [reference only] 1. acid-base balance, hemocyanin function. Morris et al. 1996 []

Hemigrapsus  nudus: [reference only] 1. acid-base balance, air emersion, hemocyanin function. Morris et al. 1966 []

Hemigrapsus  nudus: [behaviour, physiological ecology, temperature ] 1. some behavioral regulation of body temperature. McGaw 2003 [Photo, Graph]

Hemigrapsus  nudus: [photo courtesy] 1. photo courtesy Iain McGaw, Memorial University, Newfoundland. McGaw [Photo]

Hemigrapsus  nudus: [omnivory] 1. eat algae, diatoms, live prey, scavenging. Knudsen 1964 [Photo]

Hemigrapsus  nudus: [omnivory] 1. in San Juan Islands are mainly herbivores. Birch 1979 [Text only]

Hemigrapsus  nudus: [omnivory] 1. diet includes seaweeds, snails, and amphipods. Lewis et al. 2007 [Photo, Graph]

Hemigrapsus  nudus: [osmotic regulation] 1. good hyperosmotic regulation down to about 20% ocean-strength seawater. Jones 1941 [Graph]

Hemigrapsus  nudus: [osmotic regulation] 1. good hyperosmoregulation but poor hypo-osmoregulation. Dehnel 1962 [Graph]

Hemigrapsus  nudus: [ion regulation] 1. good cation regulation (e.g., sodium) in low salinities. 2. strong magnesiium ion regulation via kidneys. Dehnel & Carefoot 1965 [Photo, Graph]

Hemigrapsus  nudus: [salinity, survival] 1. good survival down to 8 parts per thousand. McGaw 2001 [Graph]

Hemigrapsus  nudus: [exoskeleton permeability] 1. comparative data for 6 species of west-coast crabs. Gross 1955 [Graph]

Hemigrapsus  nudus: [season] 1. females carry eggs between Oct-May at Pacific Grove, California. Boolootian et al. 1959 [Graph]

Hemigrapsus  nudus: [behaviour, reproduction] 1. details of reproduction in the Puget Sound area. Knudsen 1964 [Photo, Graph]

Hemigrapsus  nudus: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University. Long [Photo]

Hemigrapsus  nudus: [chemosensory] 1. scent of crabs in field by winkles Littorina scutulata affects their later behaviour in the laboratory. Keppel & Scrosati 2004 [Photo, Drawing, Table of Data]

Hemigrapsus  nudus: [photo courtesy, predator] 1. exposure to crabs in the field causes shells of littorines L. subrotundata to grow thicker. Dalziel & Boulding 2005 [Photo]

Hemigrapsus  nudus: [feeding, predator, preferences] 1. in field experiments involving tethered littorine prey, prefer thin-shelled Littorina subrotundata over thick-shelled L. sitkana. Boulding et al. 2007 [Graph]

Hemigrapsus  nudus: [preferences, prey] 1. smaller sized crabs have greater preference for thin-shelled prey littorine species over thick-shelled ones, and this declines with age of predator. Pakes & Boulding 2010 [Graph]

Hemigrapsus  oregon: [growth, moulting, regeneration] 1. effect of limb regeneration on growth. Kuris & Mager 1975 [Photo, Graph]

Hemigrapsus  oregonensis: [competition, interspecific, salinity] 1. competes with Pachygrapsus crassipes for burrow space. 2. comparison of tidal heights occupied with P. crassipes. Willason 1981 [Photo, Graph]

Hemigrapsus  oregonensis: [aggression, competition] 1. out-competed by introduced green crabs Carcinus maenas. Grosholz & Ruiz 1995 [Photo]

Hemigrapsus  oregonensis: [competition, interference] 1. juveniles out-competed by green crab Carcinus maenas juveniles in interference-type competition for space. Jensen et al. 2002 [Graph]

Hemigrapsus  oregonensis: [competition, space] 1. out-competed for space by green crabs Carcinus maenas over 14yr study. De Riviera et al. 2011 [Photo, Graph]

Hemigrapsus  oregonensis: [behaviour, locomotion] 1. locomotory activity most in the morning. Symons 1964 [Photo, Graph]

Hemigrapsus  oregonensis: [behaviour, locomotion, tides] 1. tide cycle major determinant of daily activity. Batie 1983 [Photo, Graph]

Hemigrapsus  oregonensis: [genetics, haplotypes] 1. two main haplotypes in Oregon. Petersen 2007 [Drawing]

Hemigrapsus  oregonensis: [behaviour, larva, swimming] 1. experiments on larval behaviour. Arana & Sulkin 1993 [Text only]

Hemigrapsus  oregonensis: [feeding, larva, survival] 1. experiments on optimal larval nutrition. 2. comparison with larvae of Cancer magister. Sulkin et al. 1998 [Text only]

Hemigrapsus  oregonensis: [autotomy] 1. aspects of limb autotomy. Easton 1972 [Photo]

Hemigrapsus  oregonensis: [locomotion] 1. video showing locomotion in air. [Video]

Hemigrapsus  oregonensis: [omnivory] 1. eat algae, diatoms, live prey, scavenge. Knudsen 1964 [Photo]

Hemigrapsus  oregonensis: [osmotic regulation] 1. good hyperosmotic regulation down to about 20% ocean-strength seawater. Jones 1941 [Graph]

Hemigrapsus  oregonensis: [osmoconformer] 1. good hyperosmoregulation but poor hypo-osmoregulation. Dehnel 1962 [Graph]

Hemigrapsus  oregonensis: [ion regulation] 1. good cation regulation (e.g., sodium). 2. strong magnesium ion regulation via kidneys. Dehnel & Carefoot 1965 [Photo, Graph]

Hemigrapsus  oregonensis: [autotomy, regeneration] 1. extent to which growth is affected by number of limbs being regenerated. Kuris & Mager 1975 [Photo, Graph]

Hemigrapsus  oregonensis: [fossilisation, predation] 1. considers fossilisation potential of exoskeleton . Stempien 2005 [Photo]

Hemigrapsus  oregonensis: [reproduction] 1. details of reproduction in the Puget Sound area. Knudsen 1964 [Photo, Graph]

Hemigrapsus  oregonensis: [behaviour, copulation] 1. copulatory behaviour of crabs in Coose Bay, Oregon. Lindberg 1980 [Text only]

Hemigrapsus  oregonensis: [parasitism] 1. life-history considerations of being parasitised by nemerteans Carcinonemertes epialti. Shields & Kuris 1988 [Photo]

Hemigrapsus  oregonensis: [parasitism] 1. compares rates of parasitism by nemerteans Carcinonemertes epialti with rates on non-indigenous green crabs Carcinus maenas. Torchin et al. 1996 [Photo]

Hemigrapsus  spp.: [predator] 1. eat juvenile bivalves Saxidomus giganteus, Tapes japonica (Venerupis philippinarum), and Mytilus trossulus. Bourne & Lee 1973 [Text only]

Hemigrapsus  spp.: [predation] 1. affect survival of post-settlement Dungeness crabs Cancer magister. Banks & Dinnel 2000 [Photo, Graph]

Hemigrapsus  oregonensis: [feeding, megalopa, metamorphosis] 1. experiments on food requirements to reach metamorphic competency. Farrelly & Sulkin 1988 [Photo]

Hemigrapsus  oregonensis: [salinity, survival] 1. compares survival in a land-lock lagoon with grapsoid crab Pachygrapsus crassipes. Gross 1961 [Photo, Graph]

Henricia sp.: [predation] 1. photograph in connection with tests of its possible role as predator of sea anemone Stomphia. [Photo]

Hippasteria spinosa: [photo courtesy] 1. photo courtesy Randy Shuman, Seattle, Washington in connection with its role as a predator of sea anemone Stomphia. Shuman [Photo]

Hippodiplosia  sculpta: [parasitism, symbiont] 1. bryozoan Hipplodiplosia growing on the shell of a keyhole limpet Diodora aspera. [Photo]

Hippoglossus  stenolepis: [predator, survival] 1. habitat selection and survival of prey juvenile king crabs Paralithodes camtschaticus in presence of predator. Stoner 2009 [Photo]

Holthuria spp.: [defense, saponin] 1. identifies holothurins (holotoxins) comprised of saponins (steroid glycosides) in the Cuvierian tubules of several species of tropical sea cucumbers. Nigrelli et al. 1955 [Text only]

Humilaria kennerleyi: [prey] 1. eaten by sea stars Pisaster brevispinus. [Photo]

Humilaria kennerleyi: [prey] 1. preyed upon by sea stars Orthasterias koehleri. [Photo]

Hydroid : [] 1. introduction to Hydroids in home file for hydroid part of the Odyssey. [Photo]

Hydroid : [] 1. snail meets hydroid. [Animation]

Hydroid : [map] 1. snail's map with hydroid highlighted. []

Hydroid : [classification] 1. classification of Order Hydroida in the Class Hydrozoa. []

Hydroid : [] 1. video of hydroid colony. [Video]

Hydroid : [defense, cnidophore] 1. describe a special defensive tentacle, the cnidophore, in certain Mediterranean species. 2. not yet described for west-coast species. Martin & Walther 2002 [Photo]

Hydromedusa : [reference only] 1. reference data on standing stocks of hydromedusae in Saanich Inlet. Larson 1986 [Text only]

Hydromedusa : [salinity] 1. considerations of boundary-layer impediments to vertical movements in hydromedusae. Arai 1976 [Text only]

Idoeta spp.: [distribution] 1. lists 18 species along the west coast. Menzies 1950 [Graph]

Idotea montereyensis: [camouflage, chromatophore, defense] 1. role of chromatophores in camouflage for defense. Lee 1966 [Photo]

Idotea montereyensis: [defense] 1. isopods hiding on a blade of surfgrass Phyllospadix. [Photo]

Idotea montereyensis: [diet, herbivory] 1. primarily eat epidermal layers of surfgrass Phyllospadix scouleri. 2. some animal matter eaten. Lee 1966 [Photo]

Idotea montereyensis: [brooding, reproduction, season] 1. females carry broods in spring and winter. Lee 1966 [Photo]

Idotea resecata: [diet, herbivory] 1. grazes on frond surfaces of giant kelps Macrocystis integrifolia. Jones 1971 [Photo]

Idotea resecata: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Idotea resecata: [speed, swimming] 1. compares with speeds of Idotea wosnesenskii. Alexander & Chen 1990 [Drawing, Graph]

Idotea sp.: [camouflage] 1. disguised on coralline algae. [Photo]

Idotea sp.: [camouflage] 1. camouflaged against brown kelp. []

Idotea spp.: [camouflage, defense] 1. inhabit algal patches in which they are camouflaged. [Photo]

Idotea spp.: [swimming] 1. description of swimming methods. Alexander et al. 1995 [Drawing, Graph]

Idotea wosnesenskii: [digestion, symbiont] 1. comparison with one other aquatic species Gnorisphaeroma oregonense and one semiterrestria species Ligia pallasii. 2. acquisition of gut bacterial symbionts may have aided evolution to land in isopods. Zimmer et al. 2001 [Photo]

Idotea wosnesenskii: [diet, herbivory, preferences] 1. in areas around Anacortes, Washington prefer green alga Ulva spp.. Van Alstyne et al. 2006 [Photo]

Idotea wosnesenskii: [osmotic regulation, physiological ecology] 1. uses silver staining to identify locations of osmoregulation on the pleopods. Holliday 1988 [Photo, Drawing, Graph]

Idotea wosnesenskii: [swimming, speed] 1. compares swimming speeds with those of Idotea resecata. Alexander & Chen 1990 [Drawing, Graph]

Idotea wosnesenskii: [swimming] 1. compares hydrodynamic drag in species of Idotea. Alexander & Chen 1990 [Graph]

Idotea  spp.: [swimming] 1. uses pleopods 1-3 for swimming. Alexander 1988 [Drawing, Graph]

Idotea  wosnesenskii: [digestion] 1. comparison of ability to digest cellulose and lignins in selected isopods, including Gnorisphaeroma oregonense and Ligia pallasii. Zimmer et al. 2002 [Text only]

Ilyanassa obsoleta: [preferences] 1. preferred shell domicile of hermit crabs Pagurus hirsutiusculus in San Francisco Bay. Wicksten 1977 [Photo]

Isopod : [] 1. introduction to isopods in home file for Isopod part of the Odyssey. [Text only]

isopod : [] 1. snail meets isopod. [Animation]

Isopod : [map] 1. snail's map with isopod highlighted. []

Isopod : [classification] 1. classification of intertidal and semiterrestrial isopods in the Order Isopoda. [Text only]

Isopod : [aesthetasc, behaviour] 1. review of endogenous behaviour patterns in isopods and animals in general. Enright 1970 [Text only]

Isopod : [exretory, ammoniotelism] 1. review of ammonia excretion in isopods. Dresel & Moyle 1950 [Text only]

Isopod : [bacteria, nutrition, nutritional content] 1. brief overview of potential role of gut bacterial symbionts in nutrition for herbivores eating nutritionally poor diets of seaweeds. [Text only]

Isopod : [colonisation of land, moulting, quiz] 1. quiz on advantage of biphasic moult in oniscid isopods. [Text only]

Isopod : [colonisation of land, humidity, salinity, tolerance] 1. comparison of several species from aquatic to terrestrial habitats. Brusca 1966 [Text only]

Isopod : [reproduction] 1. brief overview of reproductive events. Brusca et al. 2001 [Drawing]

Jellyfish : [] 1. introduction to jellyfish in home file for jellyfish part of the ODYSSEY. [Photo]

Jellyfish : [] 1. animation of snail meeting jellyfish. [Animation]

Jellyfish : [map] 1. snail's map with jellyfish highlighted. []

Jellyfish : [classification] 1. classification of Class Scyphozoa with details on Order Stauromedusae and Order Semaeostoma. []

Kaburakia excelsa: [crawling] 1. crawling in laboratory dish. [Video]

Katharina  tunicata: [habitat, water flow] 1. distributions of 5 species of chitons in relation to degree of water movement. Linsenmeyer 1975 [Graph]

Katharina  tunicata: [wave exposure, tenacity] 1. relationship of tenacity to body size and wave exposure. Stebbins 1988 [Photo, Graph]

Katharina  tunicata: [shell, fossilisation] 1. comparison of taphonomic features of shell valves with those of Mopalia muscosa. Puchalski & Johnson 2009 [Photo]

Katharina  tunicata: [competition, food] 1. competition with limpets Lottia spp.. Dethier & Duggins 1984 [Graph]

Katharina  tunicata: [heat-shock proteins, temperature stress, shelter] 1. association with kelps Hedophyllum sessile, in addition to providing food, may proved shelter from light, temperature stress, and desiccation. 2. measures heat-shock protein levels in response to temperature. Burnaford 2004 [Drawing, Graph]

Katharina  tunicata: [freshwater, osmotic regulation] 1. comparison of freshwater tolerance with Mopalia muscosa. 2. both species are osmoconformers. Rostal & Simpson 1988 [Text only]

Katharina  tunicata: [diet, energetics, preferences] 1. dietary preferences with focus on energy intake when eating several seaweed species. Himmelman & Carefoot 1975 [Photo, Graph]

Katharina  tunicata: [diet] 1. compares diets of 6 species at Deception Island, Washington. Piercy 1987 [Graph]

Katharina  tunicata: [diet] 1. diet in San Juan Island Washington is 50% Hedophyllum sessile. Burnaford 2001 [Photo]

Katharina  tunicata: [competition, herbivory] 1. on Oregon shores feeds on red algae Mazzaella splendens . 2. competes with limpets Lottia pelta. Gaines 1985 [Photo, Graph]

Katharina  tunicata: [competition, herbivory] 1. investigation of role of chitons in mediating competition between marine plants. Duggins & Dethier 1985 [Photo, Graph]

Katharina  tunicata: [herbivory, removal] 1. effect on removal on community ecology. Dethier & Duggins 1988 [Graph]

Katharina  tunicata: [density, ecology, herbivory, community] 1. manipulate densities and observe effects on food alga Hedophyllum sessile. Markel & DeWreede 1998 [Photo]

Katharina  tunicata: [heat-shock proteins, temperature stress] 1. shading effects of food alga Hedophyllum sessile is beneficial. 2. use of cage treatments. Burnaford 2004 [Graph]

Katharina  tunicata: [homing, radula] 1. discovery of magnetite in the radula of chitons. Lowenstam 1962 [Text only]

Katharina  tunicata: [feeding, radula, function] 1. new idea on radular function. Padilla 2003 [Photo]

Katharina  tunicata: [larva, settlement, inducer] 1. larva settle in response to crustose coralline algae. 2. GABA gamma-amino-butyric acid also effective stimulus. Rumrill & Cameron 1983 [Photo]

Katharina  tunicata: [larva, morphology, ocelli] 1. details of ocellus morphology. 2. function may include mechano- and chemoreception, as well as photoreception. Rosen et al. 1979 [Photo, Drawing]

Katharina  tunicata: [orientation] 1. unpublished observations on orientation in magnetic fields. Carefoot 1962 [Text only]

Katharina  tunicata: [orientation, compass] 1. orients to magnetic north. Tomlinson 1980 [Graph]

Katharina  tunicata: [gonad index, season, spawning] 1. spawn in July. Giese et al. 1959 [Graph]

Katharina  tunicata: [energetics, gonad growth] 1. lip involvement in gonad growth. Giese & Araki 1962 [Photo]

Katharina  tunicata: [gonad index, season] 1. spawn in springtime correlative with plankton bloom. Himmelman 1978 [Photo, Graph]

Katharina  tunicata: [recruitment, season, settlement] 1. recruitment in northern California mainly in summer/autumn. Stebbins 1988 [Photo, Graph]

Katharina  tunicata: [repair, shell] 1. comparison with Cryptochiton stelleri. Tucker & Giese 1959 [Photo]

Katharina  tunicata: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Katharina  tunicata: [population, predation] 1. populations in areas of Alaska preyed on both by sea otters and humans. 2. historical data included. Salomon et al. 2007 [Photo]

Lacuna carinata: [predation, prey] 1. eaten by sea stars Leptasterias hexactis in surfgrass habitats in northern California. Fishlyn & Phillips 1980 []

Lacuna porrecta: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lacuna porrecta: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lacuna sp.: [mimicry] 1. possible Batesian mimicry between an amphipod and a snail Lacuna sp.. Field 1974 [Photo]

Lacuna spp.: [dispersal] 1. juveniles use mucous threads to disperse. Martel & Chia 1991 [Photo]

Lacuna spp.: [feeding, food, radula] 1. data on replacement rates of radula in L. vincta and L. variegata. Padilla et al. 1996 [Photo]

Lacuna spp.: [predation] 1. eaten by cottids Artedius spp. and other fishes. Norton 1988 [Photo]

Lacuna variegata: [dispersal] 1. juveniles use mucous threads for dispersal. Martel & Chia 1991 [Photo, Graph]

Lacuna variegata: [morphology, plasticity, radula] 1. radular morphology varies depending on food being eaten. Padilla 1998 [Photo]

Lacuna variegata: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lacuna vincta: [dispersal] 1. juveniles use mucous threads to disperse. Martel & Chia 1991 [Photo]

Lacuna vincta: [dispersal] 1. juveniles use mucous threads to disperse. Martel & Chia 1991 [Photo]

Lacuna vincta: [dispersal] 1. juveniles use mucous threads to disperse. Martel & Chia 1991 [Photo]

Lacuna vincta: [dispersal] 1. juveniles use mucous threads to disperse. Martel & Chia 1991 [Photo]

Lacuna vincta: [dispersal] 1. juveniles use mucous threads for dispersal. Martel & Chia 1991 [Photo, Graph]

Lacuna vincta: [photo courtesy] 1. photo courtesy N. Elder and Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Elder & Schroeder [Photo]

Lacuna vincta: [morphology, plasticity, radula] 1. radula morphology varies depending on food being eaten. Padilla 1998 [Photo]

Lacuna vincta: [photo courtesy] 1. photo courtesy N. Elder and Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Elder & Schroeder [Photo]

Lacuna vincta: [aging, reproduction, settlement, spawning] 1. details of reproductive cycle in Barkley Sound, British Columbia. Martel & Chia 1991 [Photo]

Lacuna vincta: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Larus glaucescens: [predator] 1. description of shell-breaking behaviour when feeding on butter clams Saxidomus gigantea. Barash et al. 1975 [Photo]

Larus glaucescens: [age, predator, efficacy] 1. gull's efficiency at cracking the shell valves of clams increases with age. Barash et al. 1975 [Photo]

Larus occidentalis: [] 1. gull predation on California chitons. Moore 1975 [Photo]

Larus occidentalis: [predator] 1. in Pacific Grove, California eats goose barnacles Pollicipes polymerus. Moore 1975 [Photo]

Larus  glaucescens: [predator, preferences] 1. in Tatoosh Island, Washington preferred prey is goose barnacles Pollicipes polymerus. Wooten 1997 [Photo, Drawing]

Larus  occidentalis: [predator] 1. predator of clams Saxidomus nuttallii. Maron 1982 [Graph]

Larvae : [larval dispersal, tides] 1. reference for more information on tidal transport of particles. Le Fevre & Bourget 1992 [Text only]

Lasaea australis: [morphology] 1. shell features of planktotrophic larva. O Folghil 1989 [Photo]

Lasaea sp.: [genetics, population] 1. genetic variation in west-coast populations. O Folghil & Eernisse 1988 [Photo, Drawing]

Lasaea spp.: [hermaphroditism, life cycle] 1. either lecithotrophic or plandtotrophic larvae depending upon geographic location. O Folghil 1989 [Photo, Drawing]

Lepas anatifera: [feeding, food] 1. food components in the region of Pacific Grove, California. Howard & Scott 1959 [Photo]

Lepas anatifera: [predation] 1. eaten by pelagic nudibranch Fiona pinnata. Holleman 1972 [Photo]

Lepas spp.: [] 1. explanation of origin of term "barnacle goose". Cox 1998 [Drawing]

Lepidochitona berryana: [reproduction, spawning] 1. spawns eggs freely into the sea. 2. comparison with 5 other species of Lepidochitona. Eernisse 1988 [Photo]

Lepidochitona caverna: [brooding, reproduction] 1. broods its eggs to crawl-away juveniles. 2. comparison with 5 other species of Lepidochitona. Eernisse 1988 [Photo]

Lepidochitona dentiens: [reproduction, spawning] 1. free-spawning eggs. 2. comparison with 5 other Lepidochitona species. Eernisse 1988 [Photo]

Lepidochitona dentiens: [photo courtesy] 1. photo courtesy Rian Dickson and Royal British Columbia Museum, Victoria. Dickson [Photo]

Lepidochitona dentiens: [diet] 1. compares diets of 6 species of chitons at Deception Island, Washington. Piercy 1987 [Graph]

Lepidochitona dentiens: [egg, morphology] 1. description of cupule morphology in several chiton species. 2. cupule function may relate to fertilisation and/or buoyancy. Buckland-Nicks 1993 [Photo]

Lepidochitona dentiens: [photo courtesy] 1. photo courtesy Rian Dickson and Royal British Columbia Museum, Victoria. Dickson [Photo]

Lepidochitona fernaldi: [brooding, reproduction] 1. broods its eggs to crawl-away juveniles. 2. comparison with 5 other Lepidochitona species. Eernisse 1988 [Photo]

Lepidochitona fernaldi: [development, feeding, radula] 1. development of radula in juvenile. Eernisse & Kerth 1988 [Photo]

Lepidochitona fernaldi: [egg, morphology] 1. cupule morphology in several chiton species. 2. cupule function may relate to fertilisation and/or buoyancy. Buckland-Nicks 1993 [Photo]

Lepidochitona hartwegii: [reproduction, spawning] 1. spawns eggs into the sea. 2. comparison with 5 other species of Lepidochitona. Eernisse 1988 [Photo]

Lepidochitona thomasi: [brooding, reproduction] 1. broods its eggs to crawl-away juvenile. 2. comparison with 5 other Lepidochitona species. Eernisse 1988 [Photo]

Lepidopa californica: [burrowing, efficacy] 1. comparison with 2 other Californian mole-crab species . Dugan et al. 2000 [Graph]

Leptasterias hexactis: [predation] 1. effect of scent on escape behaviour in trochid snails. Hoffman 1980 [Text only]

Leptasterias  hexactis: [predator] 1. feeds on limpets Lottia paleacea in surfgrass habitats. 2. may be fooled by chemical camouflaging by the limpets. Fishlyn & Phillips 1980 [Photo]

Leptocottus armatus: [predator] 1. important siphon-cropping predator of clams. Meyer & Byers 2005 [Photo]

Leptocottus armatus: [photo courtesy] 1. photo courtesy ARS Consulting, California. ARS Consulting [Photo]

Leptocottus armatus: [predator, deterrent] 1. deterred from preying on butter clams Saxidomus sp. by presence of PSP saxitoxins in the clams. Kvitek 1991 [Photo, Graph]

Leptocottus armatus: [predator] 1. in Grays Harbor, Washington eat Dungeness crabs. Armstrong et al. 1995 [Photo, Graph]

Leptocottus armatus: [photo courtesy] 1. photo courtesy. Oregon Department of Fish & Game [Photo]

Leptosynapta : [quiz] 1. quiz on function(s) of evisceration in sea cucumbers. [Text only]

Leptosynapta clarki: [differentiation] 1. redifferentiation of gut tissues to form new intestine following evisceration. Gibson & Burke 1983 [Photo]

Leptosynapta clarki: [photo courtesy] 1. photo courtesy Barcode of Life Data Systems. [Photo]

Leptosynapta clarki: [brooding, growth] 1. aspects of early life cycle. Sewell 1994 [Text only]

Leptosynapta clarki: [gonad index, protandry, reproduction, season] 1. description of seasonal reproductive cycle. Sewell & Chia 1994 [Drawing, Graph]

Leptosynapta clarki: [broods, mortality] 1. estimates brood mortality. Sewell 1996 [Graph]

Leptosynapta clarki: [brooding, protandry, reproduction] 1. describes sex change in some individuals. Sewell 1994 [Graph]

Leptosynapta clarki: [broods, mortality, reproduction] 1. new method for estimating brood mortality. Sewell 1996 [Graph]

Leptosynapta clarki: [brooding, nutrition, reproduction] 1. female provides extra nutrients during viviparous development. Sewell et al. 2006 [Graph]

Leptosynapta clarki: [defense] 1. fast release of coelomic fluid via anal pores changes body shape. 2. possible defensive function. Anderson 1966 [Drawing]

Leuckartiara sp.: [behaviour, foraging, time budget] 1. comparison of foraging behaviour and time-budgeting in 8 hydromedusan species. 2. laboratory study. Colin et al. 2003 [Drawing]

Liga occidentalis: [osmotic regulation, physiological ecology] 1. compares with congeneric Ligia pallasii. 2. tests done in water, rather than air. Wilson 1970 [Photo, Graph]

Liga occidentalis: [osmotic regulation, physiological ecology] 1. compares with congeneric Ligia pallasii. 2. tests done in water, rather than air. Wilson 1970 [Photo, Graph]

Ligia : [vision, visual acuity] 1. describes morphology and functioning of ommatidia in eye. Edwards 1969 [Drawing]

Ligia exotica: [behaviour, locomotion] 1. attain speeds of 4-5 body lengths per sec. Taylor & Carefoot 1990 [Text only]

Ligia exotica: [morphology, eye] 1. describes eye positioning and ommatidium number. Keskinen et al. 2002 [Drawing]

Ligia exotica: [function, morphology, visual acuity, ommatidium] 1. describes functioning of eye of Ligia. Hariyama et al. 2001 [Drawing]

ligia occidentalis: [photo courtesy] 1. photos courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Ligia occidentalis: [photo courtesy] 1. photo courtesy Jackie Sones, Bodeaga Marine Laboratory, California. Sones [Photo]

Ligia occidentalis: [visual acuity] 1. describes flicker-fusion frequency. Ruck & Jahn 1954 [Photo]

Ligia occidentalis: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Ligia occidentalis: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Ligia occidentalis: [distribution] 1. distribution extends northwards from California to Savary Island, British Columbia. [Photo]

Ligia occidentalis: [dispersal, distribution, evolution, genetics] 1. detailed genetic map of distribution in southern California to central Mexico. Hurtado et al. 2010 [Drawing]

Ligia occidentalis: [dispersal, distribution, evolution, genetics] 1. detailed study of distribution and genetics through southern California and Mexico. Markow & Pfeller 2012 [Drawing]

Ligia pallasii: [desiccation] 1. comparison of desiccation resistance with 3 species of terrestrial isopods. Carefoot et al. 1990 [Photo]

Ligia pallasii: [desiccation] 1. comparison of desiccation resistance with 3 species of terrestrial isopods. Carefoot et al. 1990 [Photo]

Ligia pallasii: [habitat, humidity, temperature ] 1. microhabitat conditions of temperature and humidity are relatively unvarying despite marked daily changes in solar irradiation. Carefoot et al. 2000 [Graph]

Ligia pallasii: [ammoniotelism, exretory] 1. release nitrogenous wastes as ammonia gas. Carefoot et al. 1992 [Text only]

Ligia pallasii: [digestion, symbiont] 1. acquisition of gut bacteria may have aided evolution to terrestrial life. 2. comparison with aquatic species Idotea wosnesenskii and Gnorimosphaeroma oregonense. Zimmer et al. 2001 [Photo]

Ligia pallasii: [diet, herbivory] 1. on west coast of Vancouver Island prefers diatoms, various micro-algae, and cast-up brown kelps Nereocystis luetkeana. Carefoot 1973 [Photo]

Ligia pallasii: [feeding, food quality, oxygen consumption, specific dynamic action] 1. effect of diet quantity and quantity on SDA (specific dynamic action). Carefoot 1989 [Graph]

Ligia pallasii: [feeding, food quality, oxygen consumption, specific dynamic action] 1. effect of diet amount and quantity on SDA. Carefoot 1990 [Graph]

Ligia pallasii: [feeding, food quality, oxygen consumption, specific dynamic action] 1. effect of food amount and quality on SDA. 2. attempt to isolate components of SDA. Carefoot 1990 [Graph]

Ligia pallasii: [food quality, ration, specific dynamic action] 1. components of specific dynamic action (SDA). 2. effect of food quality and amount of oxygen consumption. Carefoot 1990 [Graph]

Ligia pallasii: [food quality, preferences] 1. adults prefer wrack (dried) seaweeds over fresh seaweeds. Pennings et al. 2000 [Photo, Graph]

Ligia pallasii: [growth, nutritional content, artificial diet] 1. nutritional assessments using artificial diets (holidic or chemically defined). Carefoot 1984 [Graph]

Ligia pallasii: [artificial diet, nutrition] 1. assessment of nutritional needs using chemically defined artificial diets. Carefoot 1984 [Graph]

Ligia pallasii: [artificial diet, nutritional yield] 1. assessment of amino-acid, fatty-acid, vitamin, and mineral needs using chemically defined (holidic) diets. Carefoot 1984 [Graph]

Ligia pallasii: [behaviour, energy budget, foraging, time budget] 1. energy cost of foraging in the field. Carefoot et al. 1998 [Photo, Graph]

Ligia pallasii: [oxygen consumption, survival, immersion] 1. comparison of survival in water with several species of fully terrestrial forms. Carefoot & Taylor 1995 [Graph]

Ligia pallasii: [immersion, oxygen consumption] 1. comparison with 3 species of fully terrestrial isopods: Armadillidium vulgare, Porcellio scaber, and Oniscus asellus. Taylor & Carefoot 1993 [Graph]

Ligia pallasii: [growth, life cycle] 1. field growth on the west coast of Vancouver Island, British Columbia. Carefoot 1973 [Photo, Graph]

Ligia pallasii: [behaviour, defense, nocturnal] 1. rest during day and come out to forage at night. Carefoot et al. 1998 [Photo]

Ligia pallasii: [colonisation of land, moulting] 1. moult is uniquely biphasic...done in 2 stages. [Photo]

Ligia pallasii: [moulting, calcium stores] 1. calcium is resorbed from the old cuticle prior to moult and stored as amorphous calcium-carbonate spherules to be used to manufacture new cuticle. [Photo]

Ligia pallasii: [osmotic regulation] 1. compares with congeneric Ligia occidentalis. 2. tests are done in water, rather than air. Wilson 1970 [Photo, Graph]

Ligia pallasii: [colonisation of land, marsupium, reproduction] 1. description of eggs and mancas (juveniles) in an "open"-type marsupium. Carefoot 1973 [Photo, Drawing]

Ligia pallasii: [DOM, marsupium, nutrition] 1. possible use of dissolved organic matter (DOM) by the developing stages. Carefoot 2003 [Graph]

Ligia pallasii: [colonisation of land, development] 1. possible absorption of calcium from seawater by the developmental stages in an "open"-type marsupium. Carefoot 2003 [Photo, Graph]

Ligia pallasii: [swimming] 1. swim effectively using a butterfly-style stroke. Carefoot & Taylor 1995 [Photo]

Ligia pallasii: [habitat] 1. inhabits the supratidal splash zone of rocky shores. Carefoot 1973 [Photo]

Ligia pallasii: [habitat, hide away, juvenile] 1. juveniles or mancas live temporarily in moist green algae Enteromorpha. Carefoot 1979 [Photo]

Ligia spp.: [evolution, colonisation of land] 1. overview of evolution to land life in marine isopods of the genus Ligia. Carefoot & Taylor 1995 [Photo]

Ligia spp.: [colonisation of land, evolution] 1. overview of evolution to land life in isopod crustaceans. Carefoot 1993 [Photo]

Ligia spp.: [nutritional content, coprophagy] 1. comment on nutrition value of eating own feces (coprophagy) in isopods and other animals. [Text only]

Ligia spp.: [colonisation of land, evolution, gas exchange] 1. comparative survey of semiterrestrial and terrestrial isopods with respect to branchial-chamber modifications enabling evolution to a land life. Carefoot & Taylor 1995 [Photo, Drawing]

Ligia spp.: [nutritional content] 1. ligiids and other oniscid isopods consume the exuviae after moulting. 2. nutritional benefit and a source of calcium for exoskeleton. Carefoot 1984 [Photo]

Ligia spp.: [behaviour, escape, locomotion] 1. west-coast ligiids willingly run off cliff faces when in escape-running mode. Taylor & Carefoot 1990 [Photo]

Ligia spp.: [orientation, swimming, vision] 1. uses vision for underwater orientation. Taylor & Carefoot 1990 [Photo]

Ligia  occidentalis: [camouflage] 1. 3 photos illustrating camouflage. [Photo]

Ligia  pallasii: [camouflage] 1. slate grey colour plus markings are good camouflaging. []

Limnoria lignorum: [burrowing, habitat] 1. describes burrow formation and distribution in wood. Miller 1926 [Photo]

Limpet : [] 1. introduction to limpets & relatives in home file for LIMPET part of the ODYSSEY. []

Limpet : [] 1. animation of snail meeting limpet. [Animation]

Limpet : [map] 1. snail's map with limpet highlighted. [Drawing]

Limpet : [classification] 1. classification of Class Gastropoda with details for Subclass Eogastropoda and Subclass Orthogastropoda. [Text only]

Lineus  fuscoviridis: [defense, toxin, tetrodotoxin] 1. describes presence of toxin in flesh. Miyazawa et al. 1988 [Photo]

Littorina : [] 1. introduction to littorines & relatives in home file for LITTORINE part of the ODYSSEY. [Photo]

Littorina : [] 1. snail meets other winkles on its return to its home area. [Animation]

Littorina : [map] 1. map of snail's journey with littorine highlighted. []

Littorina : [classification] 1. classification of SuperOrder Caenogastropoda featuring littorines and relatives. []

Littorina keenae: [genetics] 1. find no significant population structure along the west coast. Lee & Boulding 2007 [Drawing]

Littorina keenae: [photo courtesy] 1. photo courtesy Gary McDonald, Santa Cruz, California. McDonald [Photo]

Littorina keenae: [photo courtesy] 1. photo courtesy James Watanabe, Hopkins Marine Station, California. Watanabe [Photo]

Littorina keenae: [food] 1. foods at La Jolla, California are mainly diatoms and unicellular algae. North 1954 [Photo]

Littorina keenae: [photo courtesy] 1. photo courtesy James Watanabe, Hopkins Marine Station, Pacific Grove, California. Watanabe [Photo]

Littorina keenae: [competition, food, food quality, space] 1. potential competition with L. scutulata. North 1954 [Photo]

Littorina keenae: [distribution] 1. factors regulating distribution including L. scutulata at Bodega Bay. Bock & Johnson 1967 [Photo]

Littorina keenae: [distribution] 1. factors regulating distribution including L. scutulata at Bodega Bay. Bock & Johnson 1967 [Photo]

Littorina keenae: [distribution] 1. factors regulating distribution including L. scutulata at Bodega Bay. Bock & Johnson 1967 [Photo]

Littorina keenae: [distribution] 1. factors regulating distribution including L. scutulata at Bodega Bay. Bock & Johnson 1967 [Photo]

Littorina keenae: [photo courtesy] 1. photo courtesy James Watanabe, Stanford University, California. Watanabe [Photo]

Littorina keenae: [heat-shock proteins, thermal maxima] 1. comparison of thermal tolerances in populations from Oregon to Baja California. Lee & Boulding 2010 [Photo, Drawing, Graph]

Littorina keenae: [heat-shock proteins, thermal maxima] 1. comparison of thermal tolerances in populations from Oregon to Baja California. Lee & Boulding 2010 [Photo, Drawing, Graph]

Littorina keenae: [heat-shock proteins, thermal maxima] 1. comparison of thermal tolerances in populations from Oregon to Baja California. Lee & Boulding 2010 [Photo, Drawing, Graph]

Littorina keenae: [sensory, tentacle] 1. preliminary experiments on tentacle function. Peters 1964 [Text only]

Littorina littorea: [predation, range extension] 1. introduced species found on beaches near Vancouver, British Columbia. 2. eaten by local sea stars Pisaster ochraceus. Harley 2011 [Photo]

Littorina littorea: [genetics] 1. study of genetic diversity in an introduced population. Chang et al. 2011 [Drawing, Graph]

Littorina littorea: [desiccation, response] 1. early reference to this British species glueing itself to the substratum in times of extreme dryness. Wilson 1929 [Photo]

Littorina littorea: [desiccation, response] 1. early reference to this British species glueing itself to the substratum in times of extreme dryness. Wilson 1929 [Photo]

Littorina littorea: [desiccation, response] 1. early reference to this British species glueing itself to the substratum during times of high desiccation risk. Wilson 1929 [Photo]

Littorina littorea: [desiccation, response] 1. reference to this British species glueing itself to the substratum in times of high desiccation risk. Newell 1958 [Photo]

Littorina littorea: [vision, visual acuity] 1. discussion of light perception, focussing, and other aspects of vision . Newell 1965 [Photo, Drawing]

Littorina littorea: [vision, visual acuity] 1. suggests reasonably good vision. Seyer 1992 [Drawing]

Littorina plena: [photo courtesy] 1. photo courtesy James Watanabe, Hopkins Marine Station, California. Watanabe [Photo]

Littorina plena: [species identification] 1. means of distinguishing it from L. scutulata. Murray 1982 [Drawing, Graph]

Littorina plena: [species identification] 1. means of distinguishing it from L. scutulata. Mastro et al. 1982 [Drawing]

Littorina plena: [photo courtesy] 1. means of distinguishing it from L. scutulata. Rugh 1997 [Drawing]

Littorina plena: [photo courtesy] 1. information on how to distinguish it from L. scutulata. Hohenlohe & Boulding 2001 [Photo, Drawing]

Littorina plena: [photo courtesy, species identification] 1. photo courtesy James Watanabe, Hopkins Marine Station, Pacific Grove, California. Watanabe [Photo]

Littorina plena: [density, growth] 1. density effects on size at Bodega Bay. Chow 1989 [Photo, Graph]

Littorina plena: [acontia, behaviour, copulation, predation] 1. when predation risk is high, fewer individuals copulate. Koch et al. 2007 [Graph]

Littorina plena: [shell, size] 1. shells smaller in more wave-exposed habitats. Rugh 1997 [Graph]

Littorina plena: [foot, tenacity] 1. compares foot area in relation to tenacity with Littorina scutulata. Hohenlohe 2003 [Drawing, Graph]

Littorina scutulata: [predation] 1. when tethered in low intertidal region are more likely to be eaten than when tethered in high intertidal region by crabs . Rochette & Dill 2000 [Photo, Graph]

Littorina scutulata: [behaviour, chemosensory, predator] 1. exposure to scent of crab Hemigrapsus nudus scent in the field will affect later behavioral responses to the crabs in laboratory maze tests. Keppel & Scrosati 2004 [Photo, Drawing, Table of Data]

Littorina scutulata: [species identification] 1. means of distinguishing it from L. plena. Murray 1982 [Drawing, Graph]

Littorina scutulata: [species identification] 1. means of distinguishing it from L. plena. Mastro et al. 1982 [Drawing]

Littorina scutulata: [species identification] 1. means of distinguishing it from L. plena. Rugh 1997 [Drawing]

Littorina scutulata: [photo courtesy] 1. information on how to distinguish it from L. plena. Hohenlohe & Boulding 2001 [Photo, Drawing, Graph]

Littorina scutulata: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Littorina scutulata: [desiccation, response] 1. some species including L. scutulata will glue operculum shut and wait out long, low-tide periods attached to substratum. [Photo]

Littorina scutulata: [desiccation] 1. experiments on water loss over time in different-sized individuals. Chow 1975 [Photo, Graph]

Littorina scutulata: [photo courtesy] 1. photo courtesy James Watanabe, Hopkins Marine Station, Pacific Grove, California. Watanabe [Photo]

Littorina scutulata: [density, diet] 1. in areas of Barkley Sound, British Columbia prefer to eat red algae Massaella. Kim & DeWreede 1996 [Photo, Graph]

Littorina scutulata: [metamorphosis] 1. first observation of metamorphosis in the laboratory. 2. life span of 7yr. Hohenlohe 2002 [Photo]

Littorina scutulata: [competition, food, space] 1. potential competition with L. keenae. North 1954 [Photo]

Littorina scutulata: [distribution] 1. factors regulating distribution of this species compared with L. keenae. Bock & Johnson 1967 [Photo]

Littorina scutulata: [competition, food, space] 1. competes with juvenile Chlorostoma funebralis in areas of Pacific Grove, California. Jensen 1981 [Photo, Graph]

Littorina scutulata: [defense, morphology, shell] 1. larvae reared in presence of predatory crabs Cancer spp. develop defensive features on shell. Vaughn 2007 [Photo]

Littorina scutulata: [herbivory] 1. grazing effects on diatom populations in Oregon. Castenholz 1961 [Graph]

Littorina scutulata: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Littorina scutulata: [shell, size] 1. shells smaller in size in wave-exposed locations. Rugh 1997 []

Littorina scutulata: [foot, tenacity] 1. compares foot area in relation to tenacity with Littorina plena. Hohenlohe 2003 [Drawing, Graph]

Littorina scutulata: [size, tenacity] 1. early work on locomotion and tenacity in gastropods, including littorinids. Miller 1974 [Text only]

Littorina sitkana: [predation, size-selective] 1. at one wave-sheltered site there is a tendency for larger individuals to be selected by crab predators. 2. individuals are tethered to the substratum. Boulding et al. 1999 [Photo, Graph]

Littorina sitkana: [behaviour, predator, sensory] 1. can sense predatory crabs Cancer productus from a distance, and growth is affected if the predator is feeding. 2. laboratory experiments. Behrens-Yamada et al. 1998 [Photo, Graph]

Littorina sitkana: [quiz] 1. quiz on interpretations of littorine/crab predation experiments. []

Littorina sitkana: [behaviour, predation] 1. behavioral responses in the field from previous exposure to crabs Cancer productus feeding on conspecifics in the laboratory. Rochette & Dill 2000 [Photo, Graph]

Littorina sitkana: [development, reproduction] 1. description of development to crawl-away juvenile stage. 2. 2yr life span. Buckland-Nicks et al. 1973 [Photo]

Littorina sitkana: [egg, reproduction] 1. description of egg capsule and other aspects of reproduction, including escape of crawl-away juveniles. Buckland-Nicks & Chia 1990 [Drawing]

Littorina sitkana: [predation] 1. eaten by pile perch Rhacochilus vacca when the former is tethered to the shore. McCormack 1982 [Photo]

Littorina sitkana: [photo courtesy] 1. photo courtesy Elizabeth Boulding, U Guelph, Ontario. Boulding [Photo]

Littorina sitkana: [desiccation] 1. comparison of rates of water loss in different micro-habitats. Jones & Boulding 1999 [Photo]

Littorina sitkana: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Littorina sitkana: [competitive exclusion] 1. translocation experiments in the field show better survival than L. subrotundata. Boulding & Van Alstyne 1993 [Photo]

Littorina sitkana: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Littorina sitkana: [distribution, size gradient] 1. translocation experiments show predator effects on low-level individuals. Rochette et al. 2003 [Photo, Graph]

Littorina sitkana: [resource partitioning] 1. tethering experiments show competition with L. subrotundata. Rochette & Grand 2004 [Graph]

Littorina sitkana: [food aversion] 1. eat less of Fucus algae when latter has been injured and has increased its load of polyphenolics. Van Alstyne 1988 [Photo]

Littorina sitkana: [herbivory, impact] 1. at higher densities food plants Fucus produce more adventitious. Van Alstyne 1989 [Drawing, Graph]

Littorina spp.: [predation] 1. in San Juan Islands, Washington are eaten by crabs, most notably Cancer producus and Lophopanopeus bellus. Behrens Yamada & Boulding 1996 [Photo, Drawing, Graph]

Littorina spp.: [predation, shell] 1. tethering experiments show that of 3 species tested, the thinner-shelled L. subrotundata is preferred by crab predators. Boulding et al. 1999 [Photo, Graph]

Littorina spp.: [predation] 1. tests of predation-risk, time-allocation hypothesis in laboratory experiments with Cancer spp. . Hamilton & Helthaus 2001 [Graph]

Littorina spp.: [predation, preferences, shell-breaking] 1. thin-shelled L. subrotundata preferred by predatory crabs Hemigrapsus nudus over thick-shelled L. sitkana. 2. tethering experiments in the field. Boulding et al. 2007 [Graph]

Littorina spp.: [morphology, protection, shell] 1. study relationship of shell length to snail-retraction depth as an anti-predator aid in several species of gastropods including Littorina sitkana and L. scutulata. Edgell & Miyashita 2009 [Drawing, Graph]

Littorina spp.: [predator, preferences, shell] 1. preference of predatory crabs Hemigrapsus nudus for thin-shelled prey littorines is greater for small crabs, but to some extent carries through the life of the predator. Pakes & Boulding 2010 [Graph]

Littorina spp.: [diversity] 1. juveniles of some species use mucous threads for dispersal. Martel & Chia 1991 [Photo]

Littorina spp.: [predation] 1. eaten by pile perch Rhacochilus vacca. DeMartini 1969 [Photo, Drawing]

Littorina spp.: [genetics, larval dispersal, reproduction] 1. compare nucleotide sequences of several species in relation to type of despersal potential. Kyle & Boulding 2000 [Drawing]

Littorina spp.: [genetics, larval dispersal, lecithotrophic, reproduction] 1. confirm that direct-developing species such as L. sitkana and L. subrotundata have less genetic diversity than species such as L. scutulata and L. plena with planktotrophic development. Lee & Boulding 2009 [Graph]

Littorina spp.: [photo courtesy, species identification] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Littorina spp.: [distribution, speciation] 1. consideration of speciation in the related species Littorina scutulata and L. plena. Hohenlohe 2003 [Drawing]

Littorina spp.: [aging, food, growth] 1. littorines L. keenae, L. scutulata, and L. plena at Bodega Bay, California eat diatoms, microalgae, and algal sporlings. 2. maximum age is about 4yr. Chow 1987 [Photo, Graph]

Littorina spp.: [food, radula] 1. correlation of radula morphology with foods eaten by L. scutulata and L. sitkana. Behrens Yamada 1989 [Photo]

Littorina spp.: [diet, omnivory] 1. in southern British Columbia both L. sitkana and L. scutulata are opportunistic omnivores, eating both microalgae and small invertebrates. Voltolina & Sacchi 1990 [Photo]

Littorina spp.: [diet] 1. in Barkley Sound, British Columbia Littorina spp. are important grazers of red algae Mazzaella parksii. Heaven & Scrosati 2004 [Drawing]

Littorina spp.: [development, reproduction] 1. species scutulata and plena release planktonic egg capsules, while species sitkana and subrotundata lay benthic egg masses that hatch to crawl-away juveniles. Buckland-Nicks et al. 1973 [Drawing]

Littorina spp.: [development, reproduction] 1. compares developmental patterns in west-coast littorinids. Behrens Yamada 1973 [Drawing]

Littorina spp.: [egg, morphology] 1. egg-capsule morphology of several west-coast littorinids. Murray 1979 [Photo, Drawing]

Littorina spp.: [morphology, egg capsule] 1. comparisons of egg-capsule morphology in west-coast littorinids. Mastro et al. 1982 [Photo, Drawing]

Littorina spp.: [egg capsule, morphology] 1. comparison of egg-capsule morphology in west-coast littorinids. Hohenlohe 2002 [Photo, Drawing]

Littorina spp.: [egg capsule, morphology] 1. comparison of egg-capsule morphology in west-coast littorinids. Hohenlohe 2002 [Photo, Drawing]

Littorina spp.: [egg capsule, morphology] 1. comparison of egg-capsule morphology in west-coast littorinids. Hohenlohe 2002 [Photo, Drawing]

Littorina spp.: [egg capsule, morphology] 1. compares egg-capsule morphology in several west-coast littorinids. Hohenlohe 2002 [Photo, Drawing]

Littorina spp.: [reproduction, season, spawning] 1. seasonal spawning of littorinids L. keenae, L. scutulata, and L. plena at Bodega Bay, California. Chow 1987 [Graph]

Littorina spp.: [development, egg capsule, reproduction] 1. more details on reproduction in west coast littorinids L. plena, L. keenae, L. scutulata, and L. sitkana. Moran 1999 [Photo, Graph]

Littorina spp.: [development, egg capsule, reproduction] 1. more details on reproduction in west coast littorinids L. plena, L. keenae, L. scutulata, and L. sitkana. Moran 1999 [Photo, Graph]

Littorina spp.: [development, egg capsule, reproduction] 1. details of reproductive cycles in several littorinids L. keenae, L. plena, L. scutulata, and L. sitkana. Moran 1999 [Photo, Graph]

Littorina spp.: [population] 1. studies on littorinid population dynamics. Dahl 1964 [Photo]

Littorina spp.: [density] 1. density of several littorinids affected by numbers of barnacles present. Boulding & Harper 1998 [Drawing]

Littorina spp.: [intertidal level, grazing] 1. grazing by littorines L. plena and L. scutulata sets lower limits of growth of green alga Prasiola. Foster 1999 [Photo]

Littorina spp.: [behaviour, model, temperature ] 1. behavioral and morphological adaptations to regulated body temperature in several littorinid species. Miller & Denny 2011 [Photo, Graph]

Littorina subrotundata: [chemosensory, growth, shell] 1. exposure to crabs Hemigrapsus nudus in the field causes shells to grow thicker. Dalziel & Boulding 2005 [Photo]

Littorina subrotundata: [density, growth, morphology] 1. laboratory experiments. Boulding & Hay 1993 [Drawing]

Littorina subrotundata: [competitive exclusion] 1. translocation experiments show poorer survival in crab-infested areas than L. sitkana. Boulding & Van Alstyne 1993 [Photo]

Littorina subrotundata: [habitat, morphology, shell] 1. shell thickness varies with habitat. Kyle & Boulding 1998 [Photo]

Littorina subrotundata: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Littorina subrotundata: [resource partitioning] 1. tethering experiments show competition with L. sitkana. Rochette & Grand 2004 [Graph]

Littorina subrotundata: [behaviour, mating] 1. males tend to select mates, not vice versa. Zahradnik et al. 2008 [Photo, Graph]

Littorina subrotundata: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Littorina subrotundata: [salinity, tolerance] 1. snails from low salinity environments are more tolerant to exposure to low-salinity water in laboratory tests than ones from open-coast high-salinity environments. 2. ditto for L. sitkana. Sokolova & Boulding 2004 [Drawing, Graph]

Lophelia pertusa: [habitat] 1. description of deep-water species of coral in British Columbia. Conway et al. 2007 [Photo]

Lopholithodes foraminatus: [parasitism] 1. liparid fishes found living in branchial chamber. Parrish 1972 [Photo]

Lopholithodes foraminatus: [claw, morphology] 1. claw dimorphism starts early, in glaucothoe stage (1st juvenile instar). Duguid 2010 [Photo]

Lopholithodes foraminatus: [development, larva] 1. description of larval development to glaucothoe stage. Duguid & Page 2009 [Photo, Drawing]

Lopholithodes foraminatus: [photo courtesy] 1. photo courtesy Will Duguid and Dave Cowles. Duguid & Cowles [Photo]

Lopholithodes foraminatus: [development, reproduction] 1. description of reproductive events and early development. Duguid & Page 2011 [Photo]

Lopholithodes mandtii: [cardiovascular, morphology] 1. categorise the circulatory system as "incompletely closed". McGaw & Duff 2008 [Photo]

Lopholithodes mandtii: [carapace, streamlining] 1. compares carapace streamlining of 3 brachyuran species, including L. mandtii and Cancer productus on the west coast. Blake 1985 [Photo]

Lopholithodes mandtii: [larva, zoea] 1. description of larva. Haynes 1993 [Photo]

Lopholithodes mandtii: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby. Long [Photo]

Lopholithodes mandtii: [development, larva, zoea] 1. description of development to juvenile stage. Crain & McLaughlin 2000 [Drawing]

Lophopanopeus bellus: [mechanical advantage] 1. comparison of shell-breaking efficacy in 4 species of crabs. 2. determination of mechanical advantages. Behrens Yamada & Boulding 1998 [Photo, Drawing, Graph]

Lophopanopeus bellus: [claw, function, lever, mechanical advantage] 1. general description of claw function. [Photo]

Lophopanopeus bellus: [behaviour, larva, swimming] 1. comparison of larval and megalopae swimming behaviour. Knudsen 1960 [Photo]

Lophopanopeus bellus: [behaviour, egg extrusion, reproduction] 1. copulatory behaviour and egg extrusion. Knudsen 1960 [Photo]

Lott digitalis: [food, habitat] 1. live in high intertidal area, feed on diatoms. Breen 1972 [Photo]

Lottia asmi: [commensalism] 1. limpet living on the shell of Chlorostoma funebralis. [Photo]

Lottia asmi: [parasitism] 1. commonly live on the shells of trochid snails, like Chlorostoma funebralis. 2. the limpets may be considered parasites, although some researchers describe them as commensals (they gain benefit with no harm to the host). Evans 1992 [Photo]

Lottia asmi: [parasitism] 1. one of 7 species of limpets to parasitise black turban snails Chlorostoma funebralis, but is the only one to stay on as adults. Brewer 1975 [Graph]

Lottia asmi: [feeding, habitat] 1. inhabits shells of black turban-snails Chlorostoma funebralis and eats diatoms growing there. Fritchman 1962 [Photo]

Lottia asmi: [habitat] 1. inhabits shells of snails and feeds on diatoms. Evans 1992 [Photo]

Lottia asmi: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia asmi: [habitat] 1. inhabits shells of Chlorostoma funebralis and feed on algae growing there. 2. tend to avoid dead, empty shells or ones occupied by hermit crabs. Elkenberg & Wickizer 1964 [Photo, Graph]

Lottia asmi: [fecundity, reproduction, spawning] 1. scaling of egg size and number. Kay & Emlet 2002 [Photo, Graph]

Lottia asmi: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia asmi: [habitat, preferences] 1. adults commonly found on black turban-shells Chlorostoma funebralis. Test 1945 [Photo]

Lottia asmi: [habitat, preferences] 1. adults commonly found on black turban-shells Chlorostoma funebralis. Test 1945 [Photo]

Lottia asmi: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Lottia asmi: [habitat, preferences] 1. observations on occupation of black turban-snails Chlorostoma funebralis at Pigeon Point, California. Lindberg 1990 [Text only]

Lottia austrodigitalis: [genetics, species] 1. Lottia digitalis in California may actually be 2 species: a northern L. digitalis and a southern L. austrodigitalis. Murphy 1978 [Photo]

Lottia austrodigitalis: [distribution, genetics] 1. no hybridisation with L. digitalis. 2. northward shift in distribution may relate to global warming. Crummett & Eernisse 2007 [Photo]

Lottia digitalis: [predator, survival] 1. when excluded from the habitat, survival of barnacles Balanus glandula and Chthamalus dalli is favoured. Paine 1981 [Photo, Graph]

Lottia digitalis: [mortality, predator, size refuge] 1. kill several species of barnacles in spat stage by bulldozing them from the rocks size refuge reached at about 5-8mm. Miller & Carefoot 1989 [Photo]

Lottia digitalis: [predator, spat, survival] 1. kill barnacle spat by bulldozing them away, unless they are protected in depressions or other habitat features. Miller & Carefoot 1989 [Photo, Graph]

Lottia digitalis: [predation, preferences] 1. in open-coast areas of Oregon are partitioned between turnstones, gulls, and oystercatchers on the basis of shell size. Marsh 1986 [Photo, Graph]

Lottia digitalis: [migration, predation] 1. do juveniles migrate upshore to escape predation from foraging oystercatchers?. Hahn & Denny 1989 [Photo]

Lottia digitalis: [camouflage, colour, shell] 1. experiments relating to camouflaging shell colours on different substrata. Mercurio et al. 1985 [Photo]

Lottia digitalis: [camouflage, colour, shell] 1. experiments relating to camouflaging shell colours on different substrata. Mercurio et al. 1985 [Photo]

Lottia digitalis: [competition, habitat] 1. competition with Lottia scabra minimised by microhabitat separation. Haven 1970 [Photo]

Lottia digitalis: [competition, resource partitioning, slope] 1. comparison of angle of substratum occupied shows differences with potential competitor Lottia scabra. Collins 1976 [Graph]

Lottia digitalis: [intertidal level, reproduction] 1. comparison of reproductive output at different tidal levels. Sutherland 1972 [Graph]

Lottia digitalis: [competition, growth] 1. study on interspecies competition with Lottia scabra. Haven 1973 [Graph]

Lottia digitalis: [competitive exclusion] 1. study on interspecies competition for space with Lottia paradigitalis and L. scabra. Choat 1977 [Graph]

Lottia digitalis: [desiccation, orientation] 1. "heads-down" orientation at Pacific Grove, California. Miller 1968 [Photo, Graph]

Lottia digitalis: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Lottia digitalis: [aggregation, desiccation, orientation] 1. orientation in "head-down" position is greater in isolated individuals. Gallien 1985 [Graph]

Lottia digitalis: [desiccation, humidity, mucus] 1. comparison of water loss with L. pelta in relation to humidity. Boese & Pritchard 1981 [Photo, Graph]

Lottia digitalis: [aggregation, desiccation, extra-visceral water] 1. aggregated individuals desiccate less than isolated individuals. Gallen 1985 [Photo]

Lottia digitalis: [desiccation, size gradient] 1. high-level individuals kept moist by wave-splash. Hobday 1995 [Text only]

Lottia digitalis: [competition, growth] 1. growth significantly affected by limpet density. Harley 2002 [Graph]

Lottia digitalis: [age, growth] 1. study on age and growth in Oregon. Frank 1964 [Photo]

Lottia digitalis: [homing] 1. does this species home?. 2. home range, but no homing. Frank 1964 [Photo]

Lottia digitalis: [homing] 1. does this species home?. 2. yes, to a certain extent. Galbraith 1965 [Photo]

Lottia digitalis: [homing] 1. does this species home?. 2. not really clear. Millard 1968 [Photo]

Lottia digitalis: [homing] 1. does this specie home?. 2. 25% show tendency. Miller 1968 [Photo]

Lottia digitalis: [homing] 1. does this species home?. 2. some do, some don't. Breen 1971 [Photo]

Lottia digitalis: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia digitalis: [intertidal level, survival, temperature stress] 1. compares survival at increased temperatures between individuals at different tidal levels. 2. comparison with Lottia scabra. Hardin 1969 [Photo, Graph]

Lottia digitalis: [heat-shock proteins, intertidal level, season] 1. . Halpin et al. 2002 [Graph]

Lottia digitalis: [homing] 1. tests of homing response involving chipping and scrubbing substratum. Galbraith 1965 [Photo]

Lottia digitalis: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle. Schroeder [Photo]

Lottia digitalis: [competition, exploitative] 1. competition for algal foods with owl limpets Lottia gigantea. Stimson 1973 [Photo, Graph]

Lottia digitalis: [competition, space, territoriality] 1. measures forces required by owl limpets Lottia gigantea to bulldoze off substratum. Wright 1978 [Photo, Graph]

Lottia digitalis: [emersion, immersion, oxygen consumption] 1. compares oxygen uptake under different conditions of immersion/emersion with Lottia scabra. Baldwin 1968 [Photo, Graph]

Lottia digitalis: [herbivory] 1. effect of limpet removal on survival of algae. Cubit 1984 [Photo]

Lottia digitalis: [community, removal] 1. effects on community interactions by removal of limpets, including Lottia strigatella. Farrell 1988 [Graph]

Lottia digitalis: [herbivory, removal] 1. effect of barnacle presence on grazing activity of limpets, including Lottia scabra. Geller 1991 [Graph]

Lottia digitalis: [radula, scaling] 1. investigate scaling of radula length to body size; compares with Lottia persona. Taylor et al. 1989 [Photo, Graph]

Lottia digitalis: [development, reproduction] 1. summary from many different authors. Fritchman 1961 [Photo, Drawing]

Lottia digitalis: [development, reproduction] 1. summary from many different authors. Fritchman 1962 [Photo, Drawing]

Lottia digitalis: [development, reproduction] 1. summary from many different authors. Koppen et al. 1996 [Photo, Drawing]

Lottia digitalis: [development, reproduction] 1. summary from many different authors. Holyoak et al. 1999 [Photo, Drawing]

Lottia digitalis: [development, reproduction] 1. summary from many different authors. Kay & Emlet 2002 [Photo, Drawing]

Lottia digitalis: [larva, oceanic processes, spawning] 1. in Oregon spawning occurs in February. 2. downwelling/upwelling processes involved in larval transport. Shanks 1998 [Graph]

Lottia digitalis: [migration, season] 1. undertakes seasonal movements up and down the shore. Frank 1965 [Photo]

Lottia digitalis: [migration, season] 1. aspects of seasonal movements vertically on the shore. Breen 1972 [Photo]

Lottia digitalis: [larva, reproduction, settlement] 1. laboratory experiments on preference of larvae for different types of substrata. Kay 2002 [Photo, Graph]

Lottia digitalis: [habitat, morphology, preferences, shell] 1. different shell shapes on rock and goose-barnacle habitats. Giesel 1969 [Photo, Graph]

Lottia digitalis: [colour, shell] 1. shell colours vary when on goose-barnacle habitat vs. rock habitat. Giesel 1970 [Photo]

Lottia digitalis: [habitat, preferences] 1. translocation experiments from rock to goose barnacle to determine habitat fidelity. Byers 1989 [Photo, Graph]

Lottia digitalis: [colour, shell] 1. shell colour owes to type of food consumed, and is not genetically based. Lindberg & Pearse 1990 [Photo]

Lottia digitalis: [colour, habitat, shell] 1. habitat preferences based on matching shell colours in this species and L. pelta. Mercurio et al. 1985 [Photo]

Lottia digitalis: [growth, wave exposure] 1. compares wave effects on growth at Bodega Bay, California with L. scabra using translocation experiments. Brown & Quinn 1988 [Photo, Graph]

Lottia fenestrata: [reproduction] 1. field experiments show that larvae of L. strigatella prefer to settle near conspecific adults than L. fenestrata adults. Dixon 1981 [Photo]

Lottia fenestrata: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia gigantea: [desiccation, orientation] 1. most individuals orientate head down on vertical surfaces, possibly to keep head and ctenidium moist. Abbott 1956 [Photo, Drawing]

Lottia gigantea: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Lottia gigantea: [competition, feeding] 1. feed at high tide or at low tide during night. 2. territorial competition for space and food. Wright 1978 [Text only]

Lottia gigantea: [foraging] 1. drag effects on individuals as they forage for food in waves. Judge 1988 [Photo, Graph]

Lottia gigantea: [harvesting] 1. general comments on harvesting of limpets. [Photo]

Lottia gigantea: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Lottia gigantea: [harvesting, map, middens] 1. examination of middens reveals harvesting patterns of ancient peoples. Pombo & Escofet 1996 [Drawing]

Lottia gigantea: [harvesting] 1. historical decline in body size through size-selective harvesting. Roy et al. 2003 [Text only]

Lottia gigantea: [reference only, review] 1. review of ecological and evolutionary effects of size-selective harvesting with mention of limpets. Fenberg & Roy 2008 [Text only]

Lottia gigantea: [harvesting] 1. harvesting effects on size and age of individuals in different localities, including marine protected areas. Kido & Murray 2003 [Text only]

Lottia gigantea: [genetics, harvesting, size-selective] 1. effect on genetic structure in west-coast populations through size-selective harvesting is negligible. Fenberg et al. 2010 [Drawing]

Lottia gigantea: [shell, size-selective, length] 1. effects on shell size of 10,000 years of size-selective harvesting on San Miguel Island, California. Eriandson et al 2011 [Photo, Drawing, Graph]

Lottia gigantea: [model, temperature ] 1. model of predicted versus actual temperatures in "simulated" limpets. Denny & Harley 2006 [Drawing, Graph]

Lottia gigantea: [model, survival, temperature stress] 1. test of heat-budget model on real animals. Denny et al. 2006 [Photo, Graph]

Lottia gigantea: [heat-shock proteins, orientation, temperature stress] 1. survival in face of temperature stress relates to relative humidity and orientation of body. Miller et al. 2009 [Photo, Graph]

Lottia gigantea: [behaviour, territoriality] 1. experiments on territorial defense. Stimson 1970 [Graph]

Lottia gigantea: [competition, exploitative, territoriality] 1. competition for algal foods with other limpets Lottia scabra and L. digitalis. Stimson 1973 [Photo, Graph]

Lottia gigantea: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Lottia gigantea: [competition, space, territoriality] 1. tests of space competition with limpets Lottia digitalis and L. scabra. 2. bulldozing forces measured. Wright 1978 [Photo, Graph]

Lottia gigantea: [photo courtesy] 1. photo courtesy Mike Judge, Manhattan College, NY. Judge [Photo]

Lottia gigantea: [aggression, territoriality] 1. other limpets tend to avoid an owl-limpet's territory and will run off if placed there. Wright 1982 [Photo]

Lottia gigantea: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Lottia gigantea: [overfishing] 1. overfishing of owl limpets may force populations to deeper depths; similarly for California mussels and black abalone. Harley & Rogers-Bennett 2004 [Graph]

Lottia gigantea: [protandry, reproduction] 1. discover that the species is protandrous, and that sex can change over a single season. Wright & LIndberg 1982 [Photo, Graph]

Lottia gigantea: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory. Sones [Photo]

Lottia gigantea: [reproduction] 1. environmental and other effects on sex change, including density and body size. Wright 1989 [Graph]

Lottia gigantea: [protandry, reproduction] 1. aspects of sex change. Lindberg & Wright 1985 [Graph]

Lottia gigantea: [larval dispersal, range extension, reproduction] 1. northwards range extension may be limited by constraints on larval dispersal. Fenberg & Rivadeneira 2011 [Photo, Drawing]

Lottia gigantea: [water flow, wave exposure] 1. compare dislodgement forces for stationary and moving individuals. Denny & Blanchette 2000 [Photo, Drawing, Graph]

Lottia gigantea: [behaviour, locomotion, wave exposure] 1. direct measurements of wave effects on proportion of individuals moving on a cliff face. Wright & Nybakken 2007 [Photo, Graph]

Lottia insessa: [escape, response] 1. Inhabits protective scar on feather-boa kelps, "mushrooms" up on contact by predator, but generally stays put. 2. compare responses of other kelp-inhabiting Lottia species. Phillips & Castori 1982 [Photo]

Lottia insessa: [food, habitat] 1. live on and forage on feather-boa kelps Egregia menziesii and E. laevigata. Black 1976 [Photo, Drawing]

Lottia instabilis: [escape, predation, response] 1. inhabits kelp plants, responds to sea-star presence by rapid escape crawling. Phillips & Castori 1982 [Photo]

Lottia instabilis: [photo courtesy] 1. photograph courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia limatula: [chemical, defense] 1. novel triterpene called limatulone isolated from foot tissue with suspected defensive properties against predatory fishes. Albizati et al. 1985 [Photo]

Lottia limatula: [chemical, defense] 1. report that this species is able to synthesise 3 stereoisomers of the possibly defensive chemical limatulone. Mori et al. 1992 [Text only]

Lottia limatula: [shell, volume] 1. comparison of extra-visceral space volume in high- and low-intertidal individuals. Segal 1956 [Photo, Graph]

Lottia limatula: [desiccation, volume, extra-visceral water] 1. relationship of extra-visceral water to desiccation resistance. Segal & Dehnel 1962 [Photo, Graph]

Lottia limatula: [crawling, escape, rheotaxis] 1. direction of crawling in a current changes if a sea star predator Pisaster ochraceus is present. Phillips 1975 [Photo]

Lottia limatula: [food, habitat] 1. eats microscopic algae and encrusting red algae. Eaton 1968 [Photo]

Lottia limatula: [photo courtesy] 1. photo courtesy Center for Marine Biodiversity & Conservation, Scripps Institution of Oceanography. [Photo]

Lottia limatula: [physiological ecology, temperature stress] 1. heart rates higher in low intertidal individuals than in high intertidal ones. Segal et al. 1953 [Photo, Graph]

Lottia limatula: [physiological ecology, temperature stress] 1. experiments on temperature effects on heart rates at different intertidal levels. 2. translocations involved. Segal 1956 [Graph]

Lottia limatula: [acclimation experiments, intertidal level, physiological ecology] 1. investigates heart rates at different experimental temperatures in individuals from different intertidal levels. Markel 1974 [Graph]

Lottia limatula: [reproduction, spawning] 1. in Monterey Bay, spawn in late winter. Markel 1974 [Graph]

Lottia limatula: [predator, shell, shell-breaking] 1. appears to be more vulnerable to shell-breaking predators such as crab Pachygrapsus crassipes than other limpets. Chapin 1968 [Photo]

Lottia limatula: [behaviour, predation] 1. describes behaviour to escape predation. Wells 1980 [Text only]

Lottia paleacea: [camouflage, defense] 1. limpet adorned with tubeworms, possibly Serpula columbiana. [Photo]

Lottia paleacea: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia paleacea: [predation, prey] 1. in surfgrass habitats in northern California preyed upon by sea stars Leptasterias hexactis. 2. possible chemical camouflaging. Fishlyn & Phillips 1980 [Photo]

Lottia paleacea: [predation, response, chemical camouflage] 1. lives on surfgrass blades, relies on chemical crypsis to escape predation by sea stars. Phillips & Castori 1982 [Photo]

Lottia paleacea: [gas exchange, water flow] 1. water flow through mantle cavity. 2. compares with other Lottia species. Yonge 1962 [Photo, Drawing]

Lottia paleacea: [genetics, habitat, larva, preferences] 1. investigate gene flow over small geographical scales to estimate extent of larval entrainment in local seagrass beds. Begovic & Lindberg 2011 [Photo, Graph]

Lottia paleacea: [photo courtesy] 1. photo courtesy Gary McDonald, Long Marine Laboratory, Santa Cruz. McDonald [Photo]

Lottia paradigitalis: [competition, interference] 1. study on interference competition with Lottia digitalis and L. scabra. Choat 1977 [Graph]

Lottia pelta: [competition, food, space] 1. competes for food and space with chitons Mopalia muscosa. Connor 1975 [Photo]

Lottia pelta: [competition, food, space] 1. competes for food and space with chitons Mopalia muscosa. Connor 1975 [Photo]

Lottia pelta: [competition, food] 1. competition with chitons Katharina tunicata. Dethier & Duggins 1984 [Graph]

Lottia pelta: [competition] 1. on Oregon shores competes for space/food with chitons Katharina tunicata. Gaines 1985 [Photo, Graph]

Lottia pelta: [camouflage, defense] 1. barnacle growth on shell may help to camouflage the limpet, but may also have led to its death in waves. [Photo]

Lottia pelta: [photo courtesy] 1. photo courtesy Mike Judge, Manhattan College, New York. Judge [Photo]

Lottia pelta: [camouflage, colour, defense, shell] 1. experiments relating to camouflaging by shell coloration. Mercurio et al. 1985 [Photo]

Lottia pelta: [competition, space] 1. space competition of limpets, notably Lottia pelta with barnacles such as Chthamalus dalli. [Photo]

Lottia pelta: [shell, volume] 1. comparison of shell volume in 3 species of limpets in relation to potential desiccation-resistance. 2. other, less interesting, species are L. scutum and Acmaea mitra. Shotwell 1950 [Photo]

Lottia pelta: [desiccation, humidity] 1. comparison with L. digitalis of water loss in different humidities. Boese & Pritchard 1981 [Photo, Graph]

Lottia pelta: [allometry, desiccation, shell, volume] 1. aspects of shell volume and allometric growth in water relations. Lowell 1984 [Photo, Graph]

Lottia pelta: [defense, habitat, predation] 1. compares vertical distributions, crawling speeds, forces to dislodge, and other features with those of co-existing L. digitalis relative to predation by sea stars Pisaster ochraceus. Bros 1986 [Graph]

Lottia pelta: [defense, habitat, predation] 1. compares vertical distributions, crawling speeds, forces to dislodge, and other features with those of co-existing L. digitalis relative to predation by sea stars Pisaster ochraceus. Bros 1986 [Graph]

Lottia pelta: [age, growth] 1. study on age and growth in Oregon. Frank 1964 [Photo]

Lottia pelta: [diet, habitat, preferences] 1. dietary preferences for algae in Pacific Grove, California. Craig 1968 [Graph]

Lottia pelta: [feeding, larva, reproduction] 1. larvae appear to be non-feeding. 2. investigate feeding currents and assign a tentative cleansing role for them. Hadfield et al. 1997 [Photo]

Lottia pelta: [heat-shock proteins, survival, temperature stress] 1. comparison with Lottia scabra. Sanders et al. 1991 [Photo, Graph]

Lottia pelta: [gas exchange, water flow] 1. water flow for gas exchange. Abbott 1956 [Photo, Drawing]

Lottia pelta: [habitat, morphology, shell] 1. shell-shape on sea palms is different than that on rock habitats. Test 1945 [Photo]

Lottia pelta: [colour, habitat, shell] 1. shell colour varies with habitat. Jobe 1968 [Photo]

Lottia pelta: [colour, habitat, shell] 1. habitat preference based on matching shell colours in both L. pelta and L. digitalis. Mercurio et al. 1985 [Photo]

Lottia pelta: [colour, morphology, shell] 1. shell shapes and colour relate to habitat and foods eaten. Sorensen & Lindberg 1991 [Photo]

Lottia pelta: [behaviour, orientation] 1. unusual bailing-out behaviour when experiencing unstable rotational movements. Shanks et al. 1986 [Drawing]

Lottia pelta: [tenacity, wave exposure] 1. foot area larger in wave-exposed areas of Oregon. Miller 1974 [Photo, Graph]

Lottia pelta: [tenacity, wave exposure] 1. compares tenacity of limpets with other shore organisms in relation to wave height. Denny 1985 [Graph]

Lottia pelta: [wave exposure, drag] 1. measurements of drag forces in relation to shell shape. Denny 1989 [Photo, Drawing]

Lottia persona: [age, growth, growth line] 1. growth lines on shell used for age estimates. 2. live for 5-6yr. Kenny 1968 [Photo, Drawing, Graph]

Lottia persona: [photo courtesy] 1. photo courtesy Linda Schroeder, Paciic Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia persona: [age, shell] 1. estimate age from shell size in Port Valdez, Alaska. 2. live for about 12yr. Blanchard & Feder 2000 [Graph]

Lottia persona: [radula, scaling] 1. ratio of radula length to shell length (radula fraction) is longer in individuals higher in the intertidal region. 2. comparison with Lottia digitalis. Taylor et al. 1989 [Photo, Graph]

Lottia scabra: [competitive exclusion, predation, preferences] 1. vertical separation from L. digitalis may owe not just to competition for food, but to predation by oystercatchers Haematopus bachmani. Hahn & Denny 1989 [Drawing, Graph]

Lottia scabra: [habitat] 1. competition with Lottia digitalis minimised by habitat separation. Haven 1970 [Photo]

Lottia scabra: [competition, resource partitioning] 1. comparison of angle of substratum occupied with potential competitor Lottia digitalis. Collins 1976 [Graph]

Lottia scabra: [competition, growth] 1. study on interspecies competition with Lottia digitalis. Haven 1973 [Graph]

Lottia scabra: [prey] 1. at Portuguese Bend, California eaten by dwarf perches Micrometrus minimus. Mitchell 1953 [Text only]

Lottia scabra: [defense, predation] 1. home scar provides protection against predation. 2. tests of several predaceous invertebrates including sea stars, crabs, and octopuses. Kunz & Connor 1986 [Photo, Graph]

Lottia scabra: [food] 1. In Monterey Bay eat diatoms, and encrusting and mat-forming algae. Hewatt 1940 [Photo]

Lottia scabra: [morphology, shell] 1. analysis of shell microstructure. Gilman 2007 []

Lottia scabra: [mucus] 1. eat mucus from mucous trails with algae embedded. 2. other species do the same: L. gigantea and L. digitalis. Connor & Quinn 1984 [Table of Data]

Lottia scabra: [growth, habitat, mortality, temperature ] 1. comparison of growth and mortality in different habitats in California. Morelissen & Harley 2007 [Drawing]

Lottia scabra: [homing] 1. intro article to the topic of homing in limpet. Villee & Groody 1940 [Photo]

Lottia scabra: [homing] 1. intro article on the topic of homing in limpets. Hewatt 1940 [Photo]

Lottia scabra: [homing] 1. observations on homing. Haven 1970 [Text only]

Lottia scabra: [homing] 1. ideas on how it creates its home scar. Lindberg & Dwyer 1982 [Photo]

Lottia scabra: [habitat, photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Lottia scabra: [habitat, photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Lottia scabra: [intertidal level, temperature stress] 1. compares survivorship with increased temperatures of individuals from different intertidal levels. 2. compares responses with those of Lottia digitalis. Hardin 1969 [Photo]

Lottia scabra: [heat-shock proteins, survival, temperature stress] 1. comparison with Lottia pelta. Sanders et al. 1991 [Photo, Graph]

Lottia scabra: [latitudinal, survival] 1. translocation experiments to different sites along the California coast. Gilman 2006 [Graph]

Lottia scabra: [orientation, survival, temperature stress] 1. body orientation important in resisting temperature stress. Harley 2008 [Graph]

Lottia scabra: [homing] 1. experiments involving tentacle excisions to determine mechanism of homing. Jessee 1968 [Photo]

Lottia scabra: [competition, exploitative] 1. competition for algal foods with owl limpets Lottia gigantea. Stimson 1973 [Photo, Graph]

Lottia scabra: [competition, space, territoriality] 1. tests of bulldozing forces required by owl limpets Lottia gigantea to bulldoze from substratum. Wright 1978 [Photo, Graph]

Lottia scabra: [emersion, immersion, oxygen consumption] 1. compares oxygen consumption under different degrees of immersion/emersion with Lottia digitalis. Baldwin 1968 [Photo, Graph]

Lottia scabra: [herbivory, removal] 1. effect of barnacles on grazing activity of limpets, including Lottia digitalis. Geller 1991 [Graph]

Lottia scabra: [protandry, reproduction, spawning] 1. spawn in winter in Monterey Bay. 2. first observation of protandrous development in a west-coast limpet. Hewatt 1940 [Photo]

Lottia scabra: [reproduction, spawning] 1. in Bodega Head region of California, spawn in Jan-Mar. Sutherland 1970 [Graph]

Lottia scabra: [] 1. is a mussel-shell habitat better for growth and survival than a rock habitat?. 2. data show better growth on rock, but better survival on mussels. Lohse 1993 [Photo, Graph]

Lottia scabra: [behaviour, predation] 1. describes behaviour to escape predation in Santa Catalina Island, California. 2. compares with sympatric L. limatula. Wells 1980 [Text only]

Lottia scabra: [growth, wave exposure] 1. compares wave effects on growth at Bodega Bay, California with L. digitalis using translocation experiments. Brown & Quinn 1988 [Photo, Graph]

Lottia scutum: [competition, food] 1. competition with chitons Katharina tunicata for food. Dethier & Duggins 1984 [Graph]

Lottia scutum: [predation, preferred, prey] 1. in Cape Arago, Oregon are eaten preferentially by black oystercatchers Haematopus bachmani. Frank 1982 [Table of Data]

Lottia scutum: [camouflage, defense] 1. attached algae and barnacles may play a possible camouflaging role. [Photo]

Lottia scutum: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia scutum: [crawling, escape, rheotaxis] 1. crawling response to currents changes in presence of predatory sea star Pisaster ochraceus. Phillips 1975 [Photo]

Lottia scutum: [regeneration, shell] 1. study on shell damage and regeneration in Monterey Bay, California. Bulkley 1968 [Photo]

Lottia scutum: [food, preferences] 1. preferential feeding on certain red algae, such as Petrocelis. Kitting 1980 [Photo, Graph]

Lottia scutum: [food, growth, season] 1. study on seasonal growth in Sonoma County, California. Phillips 1981 [Graph]

Lottia scutum: [foraging] 1. description of foraging, with sometimes a return to original location. Rogers 1968 [Photo]

Lottia scutum: [feeding, larva, reproduction] 1. investigate currents generated by cilia and think they may relate to cleansing, rather than feeding. Hadfield et al. 1997 [Photo]

Lottia scutum: [physiology, sensory] 1. investigates sensory features of tentacles. Phillips 1977 [Photo]

Lottia scutum: [physiology, sensory] 1. sensory mechanisms in limpets. Phillips 1979 [Photo]

Lottia scutum: [osmotic regulation] 1. species is an osmoconformer. Webber & Dehnel 1968 [Photo]

Lottia scutum: [osmotic regulation] 1. aspects of osmoconformation. Webber & Dehnel 1968 [Photo]

Lottia scutum: [volume] 1. water intake into hemocoelic spaces. Webber 1970 [Photo]

Lottia scutum: [feeding, mechanism, radula] 1. compares radula structure and function with that of Acmaea mitra. Padilla 1985 [Photo, Drawing, Graph]

Lottia scutum: [morphology, shell, lift] 1. measurements of lift coefficients on different locations of the shell. Denny 2000 [Photo, Graph]

Lottia scutum: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia spp.: [locomotion] 1. description of retrograde-ditaxic type of locomotion in several gastropods. Miller 1974 [Drawing]

Lottia spp.: [predator] 1. more readily bulldoze spat of Balanus glandula than spat of Chthamalus dalli owing to weaker attachment of the former. Menge et al. 2010 [Text only]

Lottia spp.: [predation, prey] 1. several species eaten by black oystercatchers in Barkley Sound, British Coumbia. Hart 1976 [Photo]

Lottia spp.: [community, ecology] 1. aspects of community dynamics. Wooton 1993 [Drawing]

Lottia spp.: [community, ecology] 1. aspects of community dynamics. Wooton 1993 [Drawing]

Lottia spp.: [community, ecology] 1. aspects of community dynamics. Wooton 1993 [Drawing]

Lottia spp.: [attachment, shell-breaking, foot] 1. compares foot tenacity and shell strength in several Lottia species in relation to predator and wave stresses. Lowell 1987 [Graph]

Lottia spp.: [attachment, foot, strength] 1. discusses attachment mechanisms, suction and sticky mucus. Smith 1991 [Photo]

Lottia spp.: [attachment, foot, strength] 1. discusses attachment by suction and sticky mucus. Smith 1992 [Photo]

Lottia spp.: [attachment, foot] 1. discusses foot attachment in relation to hydrostatic pressure and suction. Smith 1993 [Photo]

Lottia spp.: [attachment, tenacity] 1. compares tenacity in several Lottia species, L. scabra, L. pelta, L. digitalis, and L. limatula at high and low tides. Smith 1992 [Graph]

Lottia spp.: [tenacity] 1. compare tenacity of 4 species Lottia gigantea, L. limatula, L. pelta, and L. scabra at different simulated depths in an hyperbaric chamber. 2. only L. pelta shows significant differences. Smith et al. 1993 [Photo, Table of Data]

Lottia spp.: [desiccation, intertidal level, mucus] 1. use of mucous barriers to resist desiccation in several species, L. digitalis, L. persona, L. pelta, and L. scutum. Wolcott 1973 [Photo, Drawing, Graph]

Lottia spp.: [crawling, escape, predation] 1. comparison of escape responses in several species of limpets relative to habitats occupied by each. Bullock 1953 [Photo, Drawing, Graph]

Lottia spp.: [predation] 1. comparison of escape responses in limpets in relation to habitat occupied. Margolin 1964 [Photo, Drawing, Graph]

Lottia spp.: [crawling, escape] 1. escape responses of limpets have evolved only to certain species of sea stars. Margolin 1964 [Text only]

Lottia spp.: [crawling, escape, predator] 1. some limpet species crawl upwards to escape some sea-star predators, but not others. Phillips 1976 [Photo]

Lottia spp.: [crawling, escape, zooxanthella] 1. whether a certain limpet crawls from a potential sea-star predator depends on the species of sea star. Feder 1963 [Photo]

Lottia spp.: [review] 1. review of chemosensory assessment of predation in animals. Kats & Dill 1998 [Text only]

Lottia spp.: [food, preferences] 1. preferential feeding by limpets Lottia scutum, L. pelta, and L. strigatella on certain species of diatoms. Nicotri 1977 [Photo]

Lottia spp.: [homing] 1. short introduction to the topic of homing in limpets. [Text only]

Lottia spp.: [desiccation] 1. zonation of 3 Lottia species, digitalis, scutum, and pelta, and Acmaea mitra in Oregon correspond with critical tide levels . 2. desiccation may be involved. Shotwell 1950 [Photo, Graph]

Lottia spp.: [zonation] 1. critical tide-factor chart used in study of zonation of limpets. Doty 1946 [Graph]

Lottia spp.: [quiz] 1. quiz relating to population densities of limpet species Lottia on pilings in California. [Text only]

Lottia spp.: [community] 1. detailed study on community interactions in the mid-upper intertidal zone, focusing effects of herbivores, such as limpets Lottia. Van Tamelen 1987 [Photo, Graph]

Lottia spp.: [community, herbivory] 1. grazing effects of limpets Lottia pelta and L. scutum determine dominance status of coralline algae. Steneck et al. 1991 [Graph]

Lottia spp.: [feeding, radula] 1. description of mechanism of radula operation. Padilla 1985 [Photo, Drawing]

Lottia spp.: [radula] 1. author discovers that the hardening material is an iron oxide known as goethite. Lowenstam 1962 [Photo]

Lottia spp.: [radula] 1. scraping noises of radula can be recorded and analysed. Kitting 1979 [Photo]

Lottia spp.: [radula] 1. radula lengths are up to 2X longer than shell in some species. Dehnel 1978 [Photo, Graph]

Lottia spp.: [photo courtesy] 1. photos courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Lottia spp.: [statocyst] 1. observations on gravity perception and statocyst function. Wiederhold et al. 1990 []

Lottia spp.: [morphology, shell] 1. photographs of different shell shapes in limpets Lottia. [Photo]

Lottia spp.: [predator, shell-breaking] 1. description of killing methods used by Cancer spp. on different species of limpets. 2. suggested preference for Lottia digitalis over several other species. Lowell 1986 [Photo, Table of Data]

Lottia spp.: [mortality] 1. detailed study of mortality causes for limpets in San Juan Island, Washington. 2. whelks are not a major cause. Yanes & Tyler 2009 [Photo, Drawing, Graph]

Lottia spp.: [wave exposure] 1. discussion on whether there are mechanical limits to body size related to waves. Denny et al. 1985 [Photo]

Lottia strigatella: [taxonomy] 1. species confusion with L. paradigitalis. Simison & Lindberg 2003 [Text only]

Lottia strigatella: [extra-visceral water] 1. In Newport Bay, California individuals occupying high-level positions have greater volume of extra-visceral water. Seapy & Hoppe 1973 [Graph]

Lottia strigatella: [density, ecology, population, quiz] 1. experiments on density effects on population interactions between 4 species of Lottia (other species are digitalis, scabra, and pelta). Stimspm & Black 1975 [Graph, Text only]

Lottia strigatella: [community, removal] 1. effects of removal of limpets, including Lottia digitalis, on community interactions. Farrell 1988 [Graph]

Lottia strigatella: [reproduction, settlement, stimulus] 1. field experiments show that larvae select conspecific adults over Lottia fenestrata adults. Dixon 1981 [Photo]

Lottia  digitalis: [competitive exclusion, predation, preferences] 1. in Monterey Bay area of California vertical separation from Lottia scabra may owe both to competition for food and to preferential selection by oystercatchers Haematopus bachmani. Hahn & Denny 1989 [Drawing, Graph]

Lottia  limatula: [chemical, defense] 1. aspects of chemical defenses in invertebrates. Pawlik et al. 1986 [Photo]

Lottia  limatula: [chemosensory, predator, receptor] 1. chemosensory receptors located in mantle edge, perhaps the tentacles. Phillips 1975 [Photo]

Lottia  pelta: [colour, defense, shell] 1. coloration of shells may be camouflaging from foraging oystercatchers. Sorensen & Lindberg 1991 [Photo]

Lottia  scabra: [density, size gradient] 1. comparison of size and density at different intertidal levels. Sutherland 1970 [Graph]

Lottia  scabra: [competition, interference] 1. study on interference competition with Lottia paradigitalis and L. paradigitalis. Choat 1977 [Graph]

Lottia  scutum: [prey] 1. in Sonoma County, California eaten by flatworms Notocomplana litoricola. Phillips & Chiarappa 1980 [Photo]

Lottia  scutum: [chemosensory, predator] 1. chemoreceptors to sea-star predators appear to be located in the mantle edge, possibly in the tentacles. Phillips 1975 [Photo]

Lottia  spp.: [community, ecology] 1. detailed study of community interactions of limpets with other organisms including predators and competitors. Wooton 1992 [Drawing]

Lottia  spp.: [community, ecology] 1. aspects of community dynamics. Wooton 1993 [Drawing]

Loxorhynchus crispatus: [interspecific] 1. study of competition between 5 species of spider crabs. 2. little overlap in body size, habitat, or foods eaten. Hines 1982 [Drawing, Graph]

Loxorhynchus crispatus: [interspecific] 1. study of competition between 5 species of spider crabs. 2. little overlap in size, habitat, or foods eaten. Hines 1982 [Drawing, Graph]

Loxorhynchus crispatus: [omnivory] 1. at Pacific Grove, California are mainly omnivores. Wicksten 1977 []

lugworm : [] 1. introduction to lugworms & relatives in home file for LUGWORM part of the ODYSSEY. [Photo, Text only]

lugworm : [] 1. animation of snail meeting lugworm. [Animation]

lugworm : [classification] 1. classification of Class Polychaeta with emphasis on Family Arenicolidae. [Text only]

Lumbrineris inflata: [competition] 1. detailed experiments on intra- and inter-specific competition among several infaunal polychaetes in San Juan Island, Washington. Woodin 1974 [Text only]

Macoma balthica: [predation] 1. seasonally eaten by scaups Aythya spp.. Poulton et al. 2002 [Text only]

Macoma nasuta: [activity, behaviour] 1. burrowing and other activities compared for several invertebrates. Wethey & Woodin 2005 [Graph]

Macoma secta: [photo courtesy] 1. photo courtesy R. Perry and Univ Calif Los Angleses OceanGLOBE. Perry [Photo]

Macoma secta: [deposit feeding, water flow] 1. degree of extension of siphons during feeding depends upon water velocity and other factors. Levinton 1991 [Graph]

Macoma secta: [deposit feeding] 1. description of deposit feeding. 2. rate of production of pseudofeces. Hylleberg & Gallucci 1975 [Drawing]

Macoma  inquinata: [predation, vulnerability] 1. comparison of 8 species of clams for vulnerability to predators. Boulding 1984 [Photo, Drawing]

Macoma  nasuta: [predation, vulnerability] 1. comparison of 8 species of clams for vulnerability to predators. Boulding 1984 [Photo, Drawing]

Macoma  secta: [deposit feeding] 1. feeds primarily on bacterial films on sand grains. Reid & Reid 1969 [Photo, Drawing]

Macoma  spp.: [deposit feeding] 1. description of deposit feeding in 8 species. Reid & Reid 1969 [Photo, Drawing]

Macoma  spp.: [deposit feeding, digestion] 1. process of digestion in a deposit-feeding clam. Reid & Reid 1969 [Text only]

Macoma  spp.: [predation] 1. comparative flesh yield to sea-otter predators of several species of bivalves. Kvitek et al. 1992 [Drawing, Graph]

Macoma  nasuta: [deposit feeding, suspension feeding] 1. has split siphons. 2. feeds facultatively on either deposits or suspended matter. Reid & Reid 1969 [Photo]

Maeotias marginata: [preferred, prey] 1. in that preferred prey in the San Francisco estuary are calanoid copepods, potential competition with local shad fishes . 2. introduced species, along with Moerisia sp., from the Caspian Sea area. Wintzer et al. 2011 [Photo]

Magaptera novaeangliae: [parasitism] 1. dead whale lice on skin. Rowntree 1996 [Photo]

Manania gwilliami: [life cycle, reproduction] 1. development only to start of metamorphosis. Otto 1978 [Photo]

Margarites pupillus: [coiling, shell] 1. factors involved in initiation of shell coiling. Collin & Voltzow 1998 [Photo]

Margarites pupillus: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Margarites spp.: [behaviour, defense] 1. escape response to sea stars. Hoffman 1980 [Text only]

Margarites spp.: [predation] 1. eaten by cottids Artedius spp. and other fishes. Norton 1988 [Photo]

Mazzaella parksii: [photo courtesy] 1. photo courtesy Mike Hawkes, University of British Columbia. Hawkes [Photo]

Medusoid : [] 1. creation of an artificial swimming jellyfish named "Medusoid". Nawroth et al. 2012 [Photo]

Megabalanus californicus: [fouling] 1. barnacle fouling protects snails from octopuses. Schmitt 1983 [Photo]

Megabalanus californicus: [development, larva, reproduction] 1. description of larval development. Miller & Roughgarden 1994 [Drawing]

Megalorchestia californiana: [burrowing] 1. burrowing dynamics. 2. competition for burrows. Bowers 1964 [Photo, Drawing]

Megalorchestia californiana: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Megalorchestia californiana: [photo courtesy] 1. photo courtesy Ingrid Taylar, Seattle, Washington. Taylar [Photo]

Megalorchestia californiana: [burrowing] 1. photo sequence showing burrowing in sand. [Photo]

Megalorchestia californiana: [preferences] 1. preference for wrack seaweeds over fresh seaweeds as food. Pennings et al. 2000 [Photo, Graph]

Megalorchestia californiana: [photo courtesy] 1. photo courtesy Laura Richards, DFO, Nanaimo, British Columbia. Richards [Photo]

Megalorchestia californiana: [habitat, preferences] 1. comparison of habitat preferences of 2 species. Bowers 1964 [Graph]

Megalorchestia californiana: [behaviour, habitat] 1. habitat and behaviour. Craig 1973 [Photo]

Megalorchestia californiana: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Megalorchestia californiana: [parasitism] 1. data on nematode and mite parasites being carried. Rigby 1996 [Drawing]

Megalorchestia californiana: [habitat, preferences] 1. comparison of habitat preferences with Traskorchestia traskiana. Pelletier et al. 2011 [Photo, Graph]

Megalorchestia californiana: [] 1. description of mating, burrow digging, and mate competition. Iyengar & Starks 2008 [Photo, Graph]

Megalorchestia californiana: [] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Megalorchestia californiana: [] 1. 3 photos courtesy Ingrid Taylar, Seattle, Washington. 2. process of digging a burrow. Taylar [Photo]

Megalorchestia californiana: [gas exchange] 1. mechanism of gas exchange in sandhoppers. Moore & Taylor 1984 [Drawing, Graph]

Megalorchestia californiana: [gas exchange] 1. mechanism of gas exchange in sandhoppers. Spicer & Taylor 1986 [Drawing, Graph]

Megalorchestia californiana: [gas exchange] 1. mechanism of gas exchange in sandhoppers. Spicer & McMahon 1994 [Drawing, Graph]

Megalorchestia californiana: [photo courtesy] 1. photo courtesy Laura Richards, DFO, Nanaimo, British Columbia. Richards [Photo]

Megalorchestia californiana: [predation] 1. preyed upon by rove beetles Thinopinus pictus. 2. description of predatory tactics. Richards 1983 [Photo, Graph]

Megalorchestia californiana: [predation] 1. preyed upon by rove beetles Thinopinus pictus. 2. description of predatory tactics. Richards 1984 [Photo, Graph]

Megalorchestia californiana: [locomotion, tidal rhythm] 1. introduction to topic of locomotion and tidal rhythms in amphipods. [Photo]

Megalorchestia californiana: [photo courtesy] 1. photo courtesy Ingrid Taylar, Seattle. Taylar [Photo]

Megalorchestia corniculata: [navigation] 1. introductory comments regarding celestial navigation in amphipods. [Text only]

Megalorchestia corniculata: [navigation, lunar] 1. studies on navigation in California amphipods. Enright 1961 [Drawing, Graph]

Megalorchestia corniculata: [navigation] 1. study fails to confirm presence of lunar navigation . Craig 1971 [Text only]

Megalorchestia corniculata: [navigation] 1. use of visually obvious landforms in navigation. Craig 1973 [Drawing]

Megalorchestia corniculata: [navigation] 1. ability to discriminate slope angle of beach. Craig 1973 [Graph]

Megalorchestia corniculata: [navigation, orientation] 1. beach orientation of amphipods translocated to different areas. Hartwick 1976 [Graph]

Megalorchestia corniculata: [habitat, preferences] 1. comparison of habitat preferences of 2 species. Bowers 1964 [Graph]

Megalorchestia corniculata: [behaviour, habitat] 1. habitat and behaviour. Craig 1973 [Photo]

Megalorchestia sp.: [locomotion, jumping] 1. mechanism of jumping. Hurley 1959 [Photo]

Megalorchestia spp.: [predation] 1. amphipods preyed on by rove beetles Thinopinus pictus. Craig 1970 [Photo]

Megalorchestia spp.: [burrowing] 1. photograph of burrows of amphipods beneath a stipe of bull kelp. [Photo]

Megaptera novaeangliae: [host] 1. humpback whales host barnacle parasites. Nogata & Matsumura 2006 [Photo]

Megathura crenulata: [reproduction, spawning] 1. may be a year-round dribble-spawner. Beninger et al. 2001 [Photo]

Mercenaria  mercenaria: [survival, non-indigenous] 1. introduced to west coast in the 1930s, may now be extinct. 2. replaced by another non-indigenous species Venerupis philippinarum. Burnaford et al. 2011 [Photo]

Mercenaria  mercenaria: [predation] 1. predators sense clam's odour plume from a distance. Zimmer & Butman 2000 [Photo]

Metridium exilis: [asexual, reproduction] 1. sexual reproduction is rare in this species. Bucklin 1987 [Drawing, Graph]

Metridium farcimen: [asexual, reproduction] 1. poor regeneration & asexual reproduction unlikely. Bucklin 1987 [Drawing, Graph]

Metridium farcimen: [acontia, defense] 1. comparison of acontial nematocysts in Metridium species. Kramer & Francis 2004 [Photo, Graph]

Metridium farcimen: [behaviour, feeding] 1. comparison of body shape with another squat-shaped anemone Anthopleura xanthogrammica in water currents. Koehl 1977 [Photo]

Metridium farcimen: [energetics, feeding, preferences] 1. comparison of prey size selected with other sea anemones Anthopleura xanthogammica and A. elegantissima. Sebens 1981 [Drawing, Graph]

Metridium farcimen: [habitat, preferences] 1. habitat specialisation comparison with Anthopleura xanthogrammica. Koehl 1977 [Drawing, Graph]

Metridium farcimen: [habitat, preferences] 1. habitat specialisation of sea anemones. Koehl 1977 [Graph]

Metridium farcimen: [] 1. video of sea anemones on a sunken ship. [Video]

Metridium senile: [aggression] 1. introduction to aggressive behaviour in sea anemones. [Photo]

Metridium senile: [aggression, fighting tentacles] 1. use of fighting tentacles in intraspecific aggression. Purcell 1977 [Photo]

Metridium senile: [aggression, intraspecific] 1. sex-mediated territorial spacing. Kaplan 1983 [Photo]

Metridium senile: [aggression, habituation] 1. different levels of habituation. Purcell & Kitting 1982 [Photo]

Metridium senile: [quiz] 1. quiz on clonal aggregations. [Text only]

Metridium senile: [asexual, reproduction] 1. photographs showing examples of pedal laceration. [Photo]

Metridium senile: [Q10, pedal laceration] 1. increased rate on mussels. Bucklin 1987 [Photo]

Metridium senile: [pedal laceration] 1. increased rate on mussels. Anthony & Svane 1995 [Text only]

Metridium senile: [asexual, reproduction] 1. effect of nutrition on rate of pedal laceration. Bucklin 1987 [Drawing, Graph]

Metridium senile: [acontia, defense] 1. photograph of an anemone extruding defensive acontia from mouth. [Photo]

Metridium senile: [acontia, defense] 1. comparison of acontial nematocysts in Metridium species. Kramer & Francis 2004 [Photo, Graph]

Metridium senile: [behaviour, feeding] 1. description of feeding behaviour in the laboratory. Batham & Pantin 1950 [Photo, Drawing]

Metridium senile: [filter-feeding, DOM] 1. feeding behaviour and uptake of Dissolved Organic Matter. Robbins & Shick 1980 [Photo]

Metridium senile: [behaviour, feeding, water flow] 1. positional behaviour in water currents. Anthony & Svane 1995 [Drawing, Graph]

Metridium senile: [] 1. description of feeding and foods eaten. Koehl 1977 [Photo]

Metridium senile: [oxygen consumption] 1. oxygen uptake compared in air and water. Shick 1981 [Photo, Graph]

Metridium senile: [predator, preferences] 1. small individuals preferred by predator Aeolidia papillosa. Harris 1986 [Photo]

Metridium senile: [gonad growth, reproduction, sexual] 1. seasonal cycle of gonad growth. Bucklin 1982 [Photo]

Metridium sp.: [] 1. quiz on benefits to a sea anemone by being in areas of high currents. Robbins & Shick 1980 [Text only]

Metridium spp.: [acontia] 1. description of acontia. Williams 1991 [Photo, Text only]

Metridium  giganteum: [classification] 1. description of the species. Fautin et al. 1989 [Text only]

Metridium  spp.: [genetics, morphology] 1. morphological, biochemical, and genetical analysis of the Metridium spp. complex. Bucklin & Hedgecock 1982 [Text only]

Mexacanthina lugubris: [predator] 1. in laboratory experiments finds oval-aperture morph of Chthamalus fissus easier to drill and eat than the narrow-morph varieties. Jarrett 2008 [Photo, Graph]

Mimulus foliatus: [camouflage, colour] 1. photo courtesy Iain McGaw, Memorial University, Newfoundland. 2. example of camouflage coloration. McGaw [Photo]

Mimulus foliatus: [epibiont] 1. comparison of camouflaging in 3 species of kelp crabs. Hultgren & Stachowicz 2006 [Photo]

Moerisia  spp.: [habitat, preferences] 1. relationship of distribution of several species of hydroids in the San Francisco Estuary to environmental factors such as oxygen, temperature, salinity, and so on. Wintzer et al. 2011 [Graph]

moon snail : [] 1. introduction to moon snails and relatives in home file for moon snail part of the ODYSSEY. [Text only]

moon snail : [] 1. snail meets moon snail animation. [Animation]

moon snail : [map] 1. snail's map with moon snail highlighted. []

moon snail : [classification] 1. classification of SubClass Orthogastropoda with moon snails highlighted. []

Mopalia ciliata: [photo courtesy] 1. photo courtesy Lovell & Libby Langstroth, California. Langstroth [Photo]

Mopalia muscosa: [competition, food, space] 1. competes for space and food with limpets Lottia pelta. Connor 1975 [Photo]

Mopalia spp.: [photo courtesy] 1. photos of Mopalia species courtesy Linda Schoeder, Pacific Northwest Shell Club, Seattle. Schroeder [Photo]

Mopalia  ciliata: [diet] 1. compares diets of 4 species of Mopalia from San Francisco Bay. Barnawell 1960 [Photo, Graph]

Mopalia  ciliata: [diet] 1. compares diets of 6 species of chitons at Deception Island, Washington. Piercy 1987 [Graph]

Mopalia  ciliata: [egg, morphology] 1. cupule morphology in several chiton species. 2. cupule function may relate to fertilisation and/or buoyancy. Buckland-Nicks 1993 [Photo]

Mopalia  ciliata: [homing] 1. no homing behaviour present. Fitzgerald 1975 [Photo, Drawing]

Mopalia  ciliata: [gonad index, season] 1. spawn in springtime coincidental with phytoplankton bloom. Himmelman 1980 [Photo, Graph]

Mopalia  ciliata: [photo courtesy] 1. photo courtesy Lovell & Libby Langstroth, California. Langstroth [Photo]

Mopalia  ciliata: [development, larva] 1. larvae are photonegative when swimming. Thorpe 1961 [Photo, Table of Data]

Mopalia  hindsii: [diet] 1. compares diets of 4 Mopalia species from San Francisco Bay. Barnawell 1960 [Photo, Graph]

Mopalia  hindsii: [diet] 1. compares diets of 6 species of chitons at Deception Island, Washington. Piercy 1987 [Graph]

Mopalia  hindsii: [diet] 1. compares diets of 6 species of chitons at Deception Island, Washington. Piercy 1987 [Graph]

Mopalia  hindsii: [development, mineralisation] 1. histological study of mineralisation in the cusps of the radula. 2. deposition of magnetite. Carefoot 1965 [Photo]

Mopalia  hindsii: [gonad index, season, spawning] 1. spawn in autumn/winter. Giese et al. 1959 [Graph]

Mopalia  hindsii: [energetics, gonad growth] 1. lipid involved in gonad growth. Giese & Araki 1962 [Photo]

Mopalia  hindsii (var.): [diet] 1. compares diets in 4 Mopalia species from San Francisco Bay. 2. photo shown is M. hindsii, but author uses another related type referred to as a "variety". Barnawell 1960 [Photo, Graph]

Mopalia  lignosa: [habitat, water flow] 1. distributions of 5 species of chitons in relation to degree of water movement. Linsenmeyer 1975 [Graph]

Mopalia  lignosa: [diet] 1. several species of algae eaten. Fulton 1975 [Photo]

Mopalia  lignosa: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle. Schroeder [Photo]

Mopalia  lignosa: [morphology, egg] 1. description of cupule surrounding egg in several chiton species. 2. cupule morphology may relate to fertilisation and/or buoyancy. Buckland-Nicks 1993 [Photo]

Mopalia  lignosa: [metamorphosis] 1. comparison of development in 2 species: M. lignosa and M. muscosa. Watamabe & Cox 1975 [Photo, Drawing]

Mopalia  lignosa: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Mopalia  lignosa: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Mopalia  muscosa: [habitat, water flow] 1. distributions of 5 species of chitons in relation to degree of water movement. Linsenmeyer 1975 []

Mopalia  muscosa: [fossilisation, shell, taphonomy] 1. comparison of fossilisation of shell valves with those of Katharina tunicata. Puchalski & Johnson 2009 [Photo]

Mopalia  muscosa: [competition, food, space] 1. competes for food and space with limpets. Smith 1975 [Photo]

Mopalia  muscosa: [aesthete, electronmicrography] 1. description of eye-like features of aesthetes in 12 species of Californian polyplacophorans. Fernandez et al. 2007 [Photo, Drawing]

Mopalia  muscosa: [acontia, desiccation, aggregation] 1. does clustering with black turban shells Chlorostoma funebralis reduce desiccation?. Fitzgerald 1975 [Photo]

Mopalia  muscosa: [acontia, desiccation, aggregation] 1. does clustering with black turban shells Chlorostoma funebralis reduce desiccation?. Fitzgerald 1975 [Photo]

Mopalia  muscosa: [freshwater, osmotic regulation] 1. comparison of osmoregulatory capabilities with Katharina tunicata. 2. both species are osmoconformers. Rostal & Simpson 1988 [Text only]

Mopalia  muscosa: [diet] 1. compares diets in 4 Mopalia species from San Francisco Bay. Barnawell 1960 [Photo, Graph]

Mopalia  muscosa: [diet] 1. compares diets of 6 species of chitons at Deception Island, Washington. Piercy 1987 [Graph]

Mopalia  muscosa: [homing, mechanism] 1. describes trail-following to and from a home site. Smith 1975 [Photo, Drawing]

Mopalia  muscosa: [home] 1. no homing as such, but does have a home range. Fitzgerald 1975 [Photo, Drawing]

Mopalia  muscosa: [locomotion, tides] 1. moves less during low-tide periods. Westersund 1975 [Graph]

Mopalia  muscosa: [compass, orientation] 1. orientation to magnetic north. Tomlinson 1980 [Graph]

Mopalia  muscosa: [gonad growth, season] 1. spawns in winter/early spring. Boolootian 1964 [Graph]

Mopalia  muscosa: [metamorphosis] 1. comparison with M. lignosa. Watamabe & Cox 1975 [Photo, Drawing]

Mopalia  muscosa: [development, metamorphosis, temperature ] 1. temperature effects on metamorphic competency. Pechenik 1984 [Photo]

Mopalia  sp.: [defense] 1. curls up in protective posture. [Video]

Mopalia  sp.: [inducer, spawning, hormone] 1. injection of vertebrate gonadotropin-releasing hormone shows mld effect. Gorbman et al. 2003 [Photo]

Mopalia  sp.: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby. Long [Photo]

Mopalia  spp.: [light, aesthete] 1. tests of aesthete function. 2. 2 sizes of aesthetes. Omelich 1967 [Photo, Drawing]

Mustela vison: [photo courtesy] 1. photo of mink stealing butter clam courtesy Dave Hatler, British Columbia. Hatler [Photo]

Mya arenaria: [predation, vulnerability] 1. comparison of 8 species of clams for vulnerability to predators. Boulding 1984 [Photo, Drawing]

Mya arenaria: [burrowing, defense, stimulus] 1. tests of various stimuli on burial depth. Zakian & Ydenberg 1997 [Graph]

Mya arenaria: [growth, substratum] 1. growth rate depends upon substratum. Swan 1952 [Photo]

Mya arenaria: [ecology, population] 1. compare extant populations with historical population. Palacios et al. 2000 [Photo, Graph]

Mya truncata: [energetics, suspension feeding] 1. energy cost of pumping. Bernard & Noakes 1990 [Text only]

Mya  arenaria: [predator, preferences] 1. involved in test of predator preference with 2 other clam species. Boulding 1984 [Photo, Graph]

Myoxocephalus polyacanthocephalus: [predator] 1. important siphon-cropping sculpin predator of clams. Meyer & Byers 2005 [Photo]

Mysticotalitrus cryptus: [osmotic regulation] 1. behavioural and physiological processes of osmotic regulation. 2. terrestrial species. Morritt & Richardson 1998 [Graph]

Mytilicola sp.: [symbiont] 1. found commonly in varnish clams Nuttallia obscurata. Marshall et al. 2003 [Photo]

Mytilus californianus: [competition, space] 1. competes for space on the shore with goose barnacles Pollicipes poymerus and sea palms Postelsia palmaeformis. Dayton 1971 [Photo, Drawing]

Mytilus californianus: [competition, interspecific] 1. competition with barnacles Balanus glandula and Semibalanus cariosus. Lee & Ambrose 1989 [Photo]

Mytilus trossulus: [energetics, suspension feeding] 1. calculate energy cost of pumping. Bernard & Noakes [Text only]

Nemertea : [anabaseine, chemical, defense, secondary metabolite] 1. adds amphiporine to list of possible defensive chemicals. Kem 1985 [Text only]

Nemertea : [defense, ocelli] 1. possible functions. Sundberg 1987 [Text only]

Nemertea : [aposemetism, defense] 1. good review on evolution of aposematism in hypothetical nemertean. Sundberg 1987 [Drawing]

Nemertea : [carnivore, prey capture] 1. description of proboscis, stylet, and toxins used in prey capture by certain nemerteans. Brusca & Brusca 2002 [Drawing]

Nemertea : [prey capture] 1. compares stylets in 9 species from Puget Sound, Washington. Stricker 1983 [Photo]

Neotrypaea californiensis: [aesthete, commensalism] 1. describes relationship with clam commensal Cryptomya californica. Lawry 1987 [Drawing]

Neverita  duplicata: [borehole, morphology] 1. compare borehole size and morphology in several bivalves for 3 species of moon snails including Euspira lewisii and E. heros. Grey et al. 2005 [Photo, Graph]

Norrisia norrisi : [defense] 1. protection from octopuses from barnacle fouling. Schmitt et al. 1983 [Photo]

Notocomplana acticola: [carnivore, feeding, food] 1. captures and eats small crustaceans by wrapping its body around them. Koopowitz et al. 1976 [Photo, Drawing]

Notocomplana acticola: [locomotion, ditaxic] 1. description of locomotory mode. Koopowitz 1973 [Photo]

Notocomplana acticola: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Notocomplana freemania: [] 1. video of 2 individuals crawling on kelp. [Video]

Notocomplana litoricola: [carnivore, food, predation] 1. in Sonoma County, California eats limpets Lottia scutum. Phillips & Chiarappa 1980 [Photo]

Notocomplana litoricola: [photo courtesy] 1. photo courtesy Sandra Millen, University of British Columbia. Millen [Photo]

Nucella lamellosa: [cyprid larva, predator, settlement] 1. chemical cues left by predator prevents settlement by some barnacle larvae . Johnson & Strathmann 1989 [Graph]

Nucella ostrina: [repair, shell] 1. frequency of shell repair as a measure of fitness. Geller 1983 [Photo]

Nucella spp.: [photo courtesy] 1. photos courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. Schroeder [Photo]

Nutricola tantilla: [brooding, hermaphroditism, protandry] 1. allometric relationship between fecundity and body size. Kabat 1985 [Photo, Graph]

Nutricola tantilla: [morphology, byssus] 1. juveniles anchor with byssus thread. Narchi 1970 [Drawing]

Nutricola tantilla: [habitat] 1. aspects of life habits. Narchi 1971 [Drawing]

Nuttallia obscurata: [non-indigenous] 1. comments on date of introduction to the west coast, and its usefulness in aquaculture. [Photo]

Nuttallia  obscurata: [recruitment, survival] 1. study on invasion dynamics. Dudas et al. 2007 [Photo]

Nuttallia  obscurata: [predator, preferences] 1. test of predator preference (2 crab species) for 3 species of bivalves. Dudas et al. 2005 [Photo, Graph]

Nuttallia  obscurata: [reproduction, condition] 1. compare fecundity, condition indices, and other aspects of populations in 2 areas of British Columbia. Dudas & Dower 2006 [Photo, Drawing, Graph]

Nuttallia  obscurata: [distribution, non-indigenous] 1. distributional spread correlates with southward-flowing water currents. Dudas & Dower 2006 [Photo]

Nuttallia  obscurata: [symbiont] 1. list of symbionts. Marshall et al. 2003 [Photo]

Nuttallina californica: [habitat, water flow] 1. distributions of 5 species of chitons in relation to degree of water movement. Linsenmeyer 1975 [Graph]

Nuttallina californica: [ctenidia, gas exchange] 1. comparison of modifications in ctenidia and pallial cavities with Tonicella lineata. Robbins 1975 [Photo, Drawing]

Nuttallina californica: [osmotic regulation] 1. possible osmoregulation by high-intertidal individuals. Simonsen 1976 [Graph]

Nuttallina californica: [diet] 1. eats green and brown algae. Nishi 1975 [Text only]

Nuttallina californica: [predation, preferences] 1. preference of western gulls Larus occidentalis for this species over Cyanoplax hartwegii. Moore 1975 [Photo]

Nuttallina californica: [predation] 1. chitons eaten by gulls. DeBevoise 1975 [Photo]

Nuttallina californica: [photo courtesy] 1. photo courtesy Ron Wolf, California. Wolf [Photo]

Nuttallina californica: [photo courtesy] 1. photo courtesy Ron Wolf, California. Wolf [Photo]

Obelia : [life cycle] 1. overview of life cycle . [Photo, Drawing]

Obelia : [quiz] 1. quiz on hydroid life cycle. [Text only]

Ocinebrina lurida: [predator] 1. preys on chitons Cryptochiton stelleri. Talmadge 1975 [Photo]

Octopus bimaculatus: [feeding] 1. drilling into snails. Schmitt et al. 1983 [Photo]

Octopus bimaculoides: [] 1. predation on trochid snails. Fawcett 1984 [Photo, Graph]

Octopus bimaculoides: [photo courtesy] 1. . Hanlon Roger [Text only]

Oedignathus inermis: [claw, function, lever, mechanical advantage] 1. general description of claw function. [Photo]

Oedignathus inermis: [autotomy, defense] 1. observations on clamping down by the autotomised claw. [Photo]

Oedoparena spp.: [] 1. larvae prey on barnacles. Harley & Lopez 2003 [Drawing, Graph]

Ophionereis annulata: [genetics, reproduction] 1. produces pelagic lecithotrophic larvae in comparison with sympatric species Ophioplocus esmarki that broods its embryos. Gaarde & McClenaghan 1982 [Photo]

Ophionereis annulata: [photo courtesy] 1. photo courtesy Peter Bryant, UC Irvine, California. Bryant [Photo]

Ophiopholis aculeata: [clone, life cycle, ophiopluteus, reproduction] 1. larval cloning described. Baiser 1998 [Photo]

Ophiopholis aculeata: [photo courtesy] 1. photo courtesy Dave Cowles, Wall Walla University, Washington. Cowles [Photo]

Ophiopholis aculeata: [quiz] 1. quiz on advantage accrued by producing successive generations of larval clones. [Text only]

Ophiopholis aculeata: [feeding] 1. study uses capture of plastic beads of different sizes. LaBarbera 1978 [Photo, Graph]

Ophiopholis aculeata: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. Austin [Photo]

Ophiopholis aculeata: [suspension feeding] 1. description of feeding using plastic particles. Hart 1991 [Drawing]

Ophiopholis aculeata: [metabolic rate] 1. unique measurement of metabolic rate under natural flow rates. LaBarbera 1982 [Photo]

Ophiopholis aculeata: [larva, reproduction] 1. short list of diverse reproductive modes in ophiuroids in general. [Photo]

Ophiopholis aculeata: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. Austin [Photo]

Ophiophosis aculeata: [photo courtesy] 1. photo courtesy Tim Rawlings, Cape Breton University. Rawlings [Photo]

Ophioplocus esmarki: [gonad index, season] 1. seasonal gonadal indices for 5 species of California ophiuroids. Rumrill & Pearse 1985 [Photo, Graph]

Ophioplocus esmarki: [genetics, reproduction] 1. broods its embryos in comparison with sympatric species Ophionereis annulata that produces pelagic lecithotrophic larvae. Gaarde & McClenaghan 1982 [Photo]

Ophioplocus esmarki: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. Austin [Photo]

Ophiopteris papillosa: [gonad index, season] 1. seasonal gonadal indices for 5 California species. Rumrill & Pearse 1985 [Photo, Graph]

Ophiopteris papillosa: [defense, predator, autotomy] 1. following arm autotomy forms hydrodynamic-shape of tulip and falls more quickly through water column. Pomory 2001 [Photo]

Ophiopteris papillosa: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. Austin [Photo]

Ophiopteris papillosa: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. Austin [Photo]

Ophiopteris papillosa: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. Austin [Photo]

Ophiopteris papillosa: [defense, predator, autotomy] 1. following arm autotomy forms hydrodynamic-shape of tulip and falls more quickly through water column. Pomory 2001 [Photo]

Ophiopteris papillosa: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. Austin [Photo]

Ophiothrix papillosa: [photo courtesy] 1. photo courtesy Bill Austin, Khoyotan Marine Laboratory, Victoria. 2. also photos of Amphiolis squamata and Ophioplocus esmarki. Austin [Photo]

Ophiothrix spiculata: [gonad index, season] 1. seasonal gonad indices for 5 species of brittle stars. Rumrill & Pearse 1985 [Photo, Graph]

Ophiothrix spiculata: [photo courtesy] 1. photo courtesy Peter Bryant, UC Irvine, California. 2. also photo of Amphiodia occidentalis. Bryant [Photo]

Ophiothrix spiculata: [photo courtesy] 1. photo courtesy Peter Bryant, UC Irvine, California. 2. also photo of Amphiodia occidentalis. Bryant [Photo]

Ophiuroid : [predation, nutritional content] 1. possible defense from predation because of low nutritional content. [Photo]

Opisthopus transversus: [attractant, symbiont] 1. Y-tube experiments to determine attractive factor diffusing from host chitons Cryptochiton stelleri. Webster 1968 [Photo]

Oregonia gracilis: [camouflage, defense] 1. actively decorates its exoskeleton. [Photo]

Oregonia gracilis: [camouflage, coexistence, competition, habitat] 1. micro-habitat differences allow coexistence in 2 species of kelp crabs. Daly & Konar 2010 [Photo]

Oregonia gracilis: [autotomy, predation] 1. may cause arm loss in feather stars Florometra serratissima when the crab attacks. Mladenov 1983 [Photo]

Orthasterias koehleri: [predator] 1. preys on clams Humilaria kennerleyi. [Photo]

Orthasterias koehleri: [predator] 1. attacks a dunce-cap limpet and pulls it off the substratum. [Photo]

Ostrea  conchiphila: [predation, preferences] 1. preferred over several other bivalve species by green crabs Carcinus maenas in Oregon. Palacios & Ferraro 2003 [Text only]

Pachycerianthus fimbriatus: [defense, predator] 1. defensive stinging on attack by a sunflower star Pycnopodia helianthoides. [Photo]

Pachycheles pubescens: [behaviour, larva] 1. comparison of swimming and other behaviours among 4 species of porcelain crabs. 2. observations presented for one species only. Gonor & Gonor 1973 [Drawing]

Pachycheles pubescens: [development, zoea] 1. compares larval morphology with P. rudis. MacMillan 1970 [Drawing]

Pachycheles rudis: [development, larva, zoea] 1. only 2 zoeal stages are passed through to the megalopa. Knight 1966 [Photo, Drawing]

Pachycheles rudis: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Pachycheles rudis: [larva, zoea] 1. compares larvae with P. pubescens. MacMillan 1970 [Drawing]

Pachycheles rudis: [parasitism] 1. deleterious effects of hosting parasitic bopyrid isopods Aporobopyrus muguensis in the branchial chamber. Van Wyk 1982 [Graph]

Pachycheles rudis: [quiz] 1. quiz on reasons for decreased infestation of parasitic isopods in the branchial chambers of crabs Pachychelis rudis. [Text only]

Pachygrapsus crassipes: [community, predator] 1. interactions between crabs, limpets, insect larvae, and algae. Robles 1982 [Photo, Graph]

Pachygrapsus crassipes: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Pachygrapsus crassipes: [burrowing, competition, interspecific] 1. competes for burrow space with shore crabs Hemigrapsus oregonensis. 2. does less well in low salinities than H. oregonensis. Willason 1981 [Photo]

Pachygrapsus crassipes: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Pachygrapsus crassipes: [dispersal, larva, chemical fingerprint] 1. use elemental chemical patterns to monitor dispersal of zoea larvae. DiBacco & Levin 2000 [Photo, Drawing]

Pachygrapsus crassipes: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Pachygrapsus crassipes: [behaviour, dispersal, mark-recapture] 1. little widespread movements seasonally. Morgan et al. 2006 [Photo]

Pachygrapsus crassipes: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Pachygrapsus crassipes: [moulting, starvation] 1. effect of starvation and moulting. Roberts 1957 [Photo, Graph]

Pachygrapsus crassipes: [genetics] 1. genetic break at Point Conception, California. Cassone & Boulding 2006 [Photo, Drawing]

Pachygrapsus crassipes: [photo courtesy] 1. photp courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Pachygrapsus crassipes: [feeding, herbivory, succession] 1. preferentially eat green alga Ulva, thus accelerating succession through to long-lived red algae. Sousa 1979 [Photo, Graph]

Pachygrapsus crassipes: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Pachygrapsus crassipes: [dispersal, megalopa, water flow] 1. describes tidally driven transport of magalopae. Shanks et al. 2003 [Photo, Graph]

Pachygrapsus crassipes: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Mariine Laboratory, California. Sones [Photo]

Pachygrapsus crassipes: [behaviour, megalopa, swimming] 1. study of megalopae behaviour. Shanks 1985 [Text only]

Pachygrapsus crassipes: [behaviour, megalopa, swimming] 1. field observations of megalopae behaviour. 2. several species compared, including Lophopanopeus bellus, Cancer oregonensis, and C. gracilis. Shanks 1995 [Graph]

Pachygrapsus crassipes: [larval dispersal, tides] 1. tide-simulation models of dispersal in San Diego Bay. DiBacco et al. 2001 [Photo]

Pachygrapsus crassipes: [autotomy] 1. describes limb autotomy in several species, including Cancer magister, and C. productus. Hiatt 1948 [Photo]

Pachygrapsus crassipes: [locomotion] 1. features of locomotion in air and water. Hui 1992 [Photo, Graph]

Pachygrapsus crassipes: [locomotion] 1. features of locomotion in air and water. Hui 1992 [Photo, Graph]

Pachygrapsus crassipes: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Pachygrapsus crassipes: [locomotion, wave exposure] 1. measure forces to dislodge walking crabs under different conditions of rock rugosity and hydrodynamic action. Lau & Martinez 2003 [Drawing, Graph]

Pachygrapsus crassipes: [growth, moulting, regeneration] 1. effect of limb regeneration on growth. Kuris & Mager 1975 [Photo, Graph]

Pachygrapsus crassipes: [osmotic regulation] 1. good hyperosmotic regulation and some hypo-osmotic regulation. Jones 1941 [Graph]

Pachygrapsus crassipes: [exoskeleton permeability] 1. comparative permability in 6 species of west-coast crabs. Gross 1955 [Graph]

Pachygrapsus crassipes: [preferences, salinity] 1. experiments on salinity preferences. 2. high degree of aerial adaptation. Gross 1957 [Text only]

Pachygrapsus crassipes: [salinity, survival] 1. compares survival in a land-locked lagoon with grapsoid crab Hemigrapsus oregonensis. Gross 1961 [Photo, Graph]

Pachygrapsus crassipes: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Pachygrapsus crassipes: [autotomy, growth, regeneration] 1. extent to which growth is affected by regenerating limbs. Kuris & Mager 1975 [Photo, Graph]

Pachygrapsus crassipes: [egg extrusion, reproduction] 1. at Pacific Grove, California carry eggs Mar-Aug. Boolootian et al. 1959 [Photo, Graph]

Pachygrapsus crassipes: [behaviour, copulation, reproduction] 1. details of reproductive behaviour. Hiatt 1948 [Photo]

Pachygrapsus crassipes: [copulation, reproduction] 1. describes copulatory dance. Bovbjerg 1960 []

Pachygrapsus crassipes: [pheromone, reproduction] 1. possible first description of a pheromone in a marine invertebrate. Kittredge et al. 1971 [Text only]

Pachygrapsus crassipes: [development, larva, zoea] 1. describes the 5 zoeal stages. Schlotterback 1976 [Drawing]

Pachygrapsus crassipes: [predator, shell-breaking] 1. adept at breaking shells of limpets. Chapin 1968 [Photo]

Pachygrapsus crassipes: [predator] 1. in Boinas Lagoon, California eats cerithid snails Cerithidea californica. Sousa 1993 [Photo]

Pachythyone rubra: [predation] 1. distribution in Channel Islands, California determined by predation by sunflower stars Pycnopodia helianthoides. Eckert 2007 [Drawing, Graph]

Pachythyone rubra: [predation] 1. in Channel Islands, California distribution regulated through predatory activities of spiny lobsters Panulirus interruptus. Eckert 2007 [Drawing, Graph]

Pagurus alaskensis: [aesthetasc, chemosensory] 1. describes antennule flicking and function of aesthetascs. Snow 1973 [Photo, Drawing]

Pagurus alaskensis: [aesthetasc, chemosensory] 1. details on morphology of aesthetascs and their hairs. Snow 1974 [Photo, Drawing]

Pagurus alaskensis: [antennule] 1. describes motor innervation and musculature. Snow 1973 [Text only]

Pagurus armatus: [feeding] 1. video of it feeding on a mussel. [Video]

Pagurus armatus: [photo courtesy] 1. Photo courtes Ron Long, Simon Fraser Unversity, Burnaby. Long [Photo]

Pagurus granosimanus: [community, omnivory] 1. community interactions between hermit crabs, and macroalgae and diatoms. 2. some interesting scaling considerations. Ruesink 2000 [Photo]

Pagurus granosimanus: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Pagurus granosimanus: [survival] 1. megalopal duration is affected slightly by availability of food and shell resources. Harvey & Colasurdo 1993 [Photo]

Pagurus granosimanus: [defense, predation] 1. predatory crabs Cancer gracilis select prey hermit crabs on basis of shell-size occupied. Vance 1972 [Photo]

Pagurus granosimanus: [defense, hide away, predator] 1. experiments using effluent water and video imagery of predatory crabs Cancer magister on defensive response. Rosen et al. 2009 [Graph]

Pagurus granosimanus: [competition] 1. prefer black-turban shells. Bollay 1964 [Photo]

Pagurus granosimanus: [competition, resource partitioning] 1. no special preference for shells. 2. resource partitioning of shells among hermit-crab species at Bodega Head, California. Orions & King 1964 [Table of Data]

Pagurus granosimanus: [behaviour, competition, resource] 1. use of snail shells. Spight 1977 [Graph]

Pagurus granosimanus: [preferences, resource partitioning] 1. prefers shells different from the ones used by the higher-dwelling P. samuelis. Hahn 1998 [Text only]

Pagurus granosimanus: [behaviour, competition, intraspecific] 1. shell-selection behaviour modified by presence of conspecifics and a predatory crab. Bulinski 2007 [Drawing, Graph]

Pagurus hartae: [preferences, resource] 1. shell-use by a hermit crab in British Columbia. Sato & Jensen 2005 [Photo, Drawing]

Pagurus hemphilli: [competition, resource partitioning] 1. shell-resource partitioning in 6 species of hermit crabs at Mukkaw Bay, Washington. Abrams 1987 [Photo]

Pagurus hirsutiusculus: [camouflage, colour] 1. experiments with painted snail shells Chlorostoma funebralis. Partridge 1980 [Photo]

Pagurus hirsutiusculus: [community, omnivory] 1. community interactions between hermit crabs, macroalgae, and diatoms. 2. some interesting scaling considerations. Ruesink 2000 [Photo]

Pagurus hirsutiusculus: [megalopa, settlement, survival] 1. duration of megalopal stage is independent of availability of food and shell resources. Harvey & Colasurdo 1993 [Photo]

Pagurus hirsutiusculus: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby. Long [Photo]

Pagurus hirsutiusculus: [defense, preferences] 1. in San Francisco Bay prefer shells of mud snails Ilyanassa obsoleta out of several choices available in the field. Wicksten 1977 [Photo]

Pagurus hirsutiusculus: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby. Long [Photo]

Pagurus hirsutiusculus: [preferences] 1. note on shell use prior to the 1920s. Schmitt 1921 [Photo]

Pagurus hirsutiusculus: [competition] 1. smaller body size than 2 other congener species; prefer littorine and other small shells. Bollay 1964 [Photo]

Pagurus hirsutiusculus: [competition, resource partitioning] 1. prefers shells of Nucella ostrina. 2. resource partitioning of shells among hermit crabs at Bodega Head, California. Orions & King 1964 [Table of Data]

Pagurus hirsutiusculus: [competition, resource] 1. addition of empty shells leads to increase in hermit-crab density. Vance 1972 [Text only]

Pagurus hirsutiusculus: [aggression, behaviour, resource] 1. description of aggressive behaviour when shells are in short supply. Vance 1972 [Text only]

Pagurus hirsutiusculus: [] 1. shell-changing behaviour. [Video]

Pagurus hirsutiusculus: [behaviour, cues, preferences] 1. comparison with P. samuelis of factors important to hermit crabs in selecting a shell. Mesce 1993 [Photo]

Pagurus hirsutiusculus: [resource partitioning] 1. comparison at 9 sites in California of juvenile vs. adult shell-resource utilisation with P. samuelis. Halperin 2004 [Drawing]

Pagurus hirsutiusculus: [aesthetasc] 1. details of antennular aesthetascs. Ghiradella et al. 1968 [Text only]

Pagurus hirsutiusculus: [chemosensory, claw, mechanoreceptor] 1. uses mechano- and chemoreceptors on minor claw to assess a snail-shell's features. Mesce 1993 [Photo]

Pagurus samuelis: [competition] 1. in Pacific Grove, California prefer black-turban shells. Bollay 1964 [Photo]

Pagurus samuelis: [photo courtesy] 1. photo courtesy Peter Bryant, University of California, Irvine. Bryant [Photo]

Pagurus samuelis: [competition, resource partitioning] 1. prefers shells of Chlorostoma funebralis. 2. resource partitioning of shells among hermit-crab species at Bodega Head, California. Orions & King 1964 [Table of Data]

Pagurus samuelis: [behaviour, cues, preferences] 1. comparison with P. hirsutiusculus of factors important to a hermit crab in choosing a shell. Mesce 1982 [Photo]

Pagurus samuelis: [taphonomy] 1. effect of use by a hermit crab on fossilisation "potential" of a snail shell. Walker & Carlton 1995 [Photo, Drawing]

Pagurus samuelis: [chemical, cues, preferences] 1. selection of shell based on chemical cues, not visual ones. Benoit et al. 1997 [Text only]

Pagurus samuelis: [preferences, resource partitioning] 1. comparison of shells preferred with a lower-dwelling species P. granosimanus. Hahn 1998 [Text only]

Pagurus samuelis: [resource partitioning] 1. comparison at 9 sites in California of shell-resource utilisation of juveniles and adults with P. hirsutiusculus. Halperin 2004 [Drawing]

Pagurus sp.: [camouflage, epibiont] 1. shell bears growth of sponge Suberites sp.. [Video]

Pagurus spp.: [resource] 1. each of 3 sympatric species of hermit crabs Pagurus hirsutiusculus, P. granosimanus, and P. beringanus in San Juan Islands, Washington occupies shells smaller than preferred. Vance 1972 [Photo]

Pagurus spp.: [competition, resource partitioning] 1. shell-resource partitioning in 12 species in the Puget Sound area. Abrams et al. 1986 [Drawing]

Pagurus spp.: [protection, strength] 1. comparison of physical properties of Calliostoma shells when live and when occupied by hermit crabs. LaBarbera & Merz 1992 [Graph]

Pagurus spp.: [aesthetasc, chemosensory] 1. details of antennular aesthetascs. Ghiradella et al. 1968 [Text only]

Pagurus spp.: [aesthetasc, chemosensory] 1. details of aesthetasc function. Ghiradella et al. 1970 [Text only]

Panopea abrupta: [growth, mark-recapture] 1. adult stage reached at 10yr of age. Goodwin 1976 [Graph]

Panopea abrupta: [age, growth] 1. ages determined by growth-line counts. 2. clams of estimated +100yr are found. Shaul & Goodwin 1982 [Photo, Graph]

Panopea abrupta: [age, growth line] 1. acetate-peel methodology. Breen & Shields 1983 [Graph]

Panopea abrupta: [age, growth line] 1. uses acetate-peel methodology to compare growth rates in 11 regions of Puget Sound. Hoffman et al. 2000 [Graph]

Panopea abrupta: [age, growth line] 1. male:female sex ratio is 52:48 in southern British Columbia. 2. maximum ages of 80yr recorded. Campbell & Ming 2003 [Graph]

Panopea abrupta: [habitat, preferences] 1. sizes and densities differ in different substratum type. Goodwin & Pearse 1991 [Photo]

Panopea abrupta: [harvesting] 1. comments on harvesting yield and practises. Campbell et al. 2004 [Photo]

Panopea abrupta: [age, reproduction] 1. may be reproductive for longer than 100yr. Sloan & Robinson 1984 [Photo, Graph]

Panopea abrupta: [habitat, harvesting] 1. details of harvesting methodology. Orensanz et al. 2004 [Photo]

Panopea generosa: [classification] 1. change to relieve it from the synonomy with sp. abrupta. Vadopalas et al. 2010 [Text only]

Panopea generosa: [larval dispersal] 1. use a fluorescently labeled DNA probe to identify geoduck larvae in the plankton. Becker et al. 2012 [Text only]

Panopea sp.: [growth line, environment] 1. growth lines used to monitor past environmental effects. Noakes & Campbell 1992 [Photo, Graph]

Pantinonemertes californiensis: [predation] 1. nemertean worm preys on amphipod Traskorchestia at high-intertidal levels. Roe 1993 [Photo]

Pantinonemertes californiensis: [carnivore, predator] 1. feeds on small high-intertidal-level crustaceans like amphipods and isopods. Roe 1993 [Photo]

Pantinonemertes californiensis: [carnivore, predator] 1. feeds on small high-intertidal-level crustaceans like amphipods and isopods. Roe 1993 [Photo]

Pantinonemertes californiensis: [photo courtesy] 1. photo courtesy Tim Rawlings, Cape Breton University, Nova Scota. Rawlings [Photo]

Pantinonemertes californiensis: [habitat, intertidal level] 1. aspects of high-intertidal life in California. 2. describes possible function of cephalic glands in producing protective mucusLEARNABOUT/FLATWORM/flatFood.php#ribbRS3. Roe 1993 [Drawing]

Pantinonemertes peregrina: [habitat, intertidal level] 1. original description of "semiterrestrial" habitat. Gibson et al. 1982 [Drawing]

Panulirus interruptus: [chemosensory] 1. attracted to chemical odours of various prey species. Zimmer-Fausti 1982 [Photo]

Panulirus interruptus: [predator] 1. in Channel Islands, California preys on sea cucumbers Pachythyone rubra. Eckert 2007 [Drawing, Graph]

Paracyathus stearnsii: [competition, interspecific] 1. competitively superior to cup corals Balanophyllia elegans. Chadwick 1991 [Photo, Graph]

Paralithodes camtschaticus: [defense] 1. in Alaska juveniles associate with sea stars Evasterias troschelii perhaps for defense. Dew 1990 [Photo]

Paralithodes camtschaticus: [defense, hide away, survival] 1. experiments with different habitat-types and measure of survival in presence of predatory halibut Hippoglossus stenolepis. Stoner 2009 [Photo]

Paralithodes camtschaticus: [photo courtesy] 1. photo courtesy Phillip Colla, Carlsbad, California. Colla [Photo]

Paralithodes camtschaticus: [aggregation, behaviour] 1. juveniles form large pods during the day, disperse at night for foraging. Dew 1990 [Photo]

Paralithodes camtschaticus: [photo courtesy] 1. photo courtesy C. Braxton Dew, National Marine Fisheries Service, Alaska. Dew [Photo]

Paralithodes camtschaticus: [behaviour, dispersal, mark-recapture] 1. monitor seasonal movements using ultrasonic tracking. 2. females form pods. Stone et al. 1992 [Drawing]

Paralithodes camtschaticus: [behaviour, dispersal, season] 1. seasonal movements in Glacier Bay, Alaska. Taggart et al. 2008 [Drawing]

Paralithodes camtschaticus: [larva, moulting, nutrition] 1. growth and moulting success of zoeae at different food rations. Paul et al. 1989 [Photo, Drawing, Graph]

Paralithodes camtschaticus: [autotomy] 1. compares autotomy events in the Bering Sea with those of Chionecetes bairdi. Edwards 1972 [Photo, Drawing, Graph]

Paralithodes camtschaticus: [omnivory, detritivory] 1. diet in Alaska. Feder et al. 1980 [Text only]

Paralithodes camtschaticus: [diet, omnivory] 1. diet changes with age. Pirtle & Stoner 2010 [Photo]

Paralithodes camtschaticus: [growth] 1. growth slower in Bristol Bay than in other parts of Alaska. Loher et al. 2001 [Photo, Graph]

Paralithodes camtschaticus: [fecundity, mating, reproduction] 1. fisheries-related study. Powell et al. 1974 [Photo]

Paralithodes camtschaticus: [gonad index, reproduction] 1. comparison with Paralithodes platypus. MacIntosh 1985 [Photo, Graph]

Paralithodes camtschaticus: [broods, reproduction] 1. compares brood characteristics of first and later breeders. Stevens & Swiney 2007 [Text only]

Paralithodes foraminatus: [age, development, growth, metamorphosis] 1. growth to metamorphosis. Duguid & Page 2009 [Graph]

Paralithodes foraminatus: [age, development, growth, metamorphosis] 1. growth to metamorphosis. Duguid & Page 2009 [Graph]

Paralithodes platypus: [gonad index, reproduction] 1. comparison with Paralithodes camtschaticus. MacIntosh 1985 [Photo, Graph]

Paralithodes platypus: [photo courtesy] 1. photo courtesy NOAA, Alaska Fisheries Science Center. NOAA [Photo]

Paralithodes platypus: [fecundity, reproduction] 1. life-history information. Herter et al. 2011 [Photo, Graph]

Paralithodes platypus: [development, embryo, temperature ] 1. temperature effects on embryonic development. Stevens 2006 [Text only]

Paralithodes platypus: [development, embryo, temperature ] 1. temperature effects on embryonic development. Stevens et al. 2008 [Text only]

Paranemertes peregrina: [predation] 1. preyed on by nudibranch Aglaja diomedea. Roe 1976 [Text only]

Paranemertes peregrina: [chemical, defense, anabaseine] 1. possible secondary metabolite defensive chemical. Kem et al. 1971 [Text only]

Paranemertes peregrina: [carnivore, predator] 1. preys principally on polychaete worms. Roe 1976 [Photo, Table of Data]

Paranemertes peregrina: [photo courtesy] 1. photo courtesy Jackie Sones, Bodega Marine Laboratory, California. Sones [Photo]

Paranemertes peregrina: [food, predator, preferences] 1. compares aspects of habitats in Bodega Bay, California and Puget Sound, Washington. Roe 1979 [Text only]

Paranemertes peregrina: [differentiation, morphology] 1. how to distinguish from P. sanjuanensis. Stricker et al. 1982 [Drawing]

Paranemertes peregrina: [heat-shock proteins, temperature stress] 1. . Okasaki et al. 2001 [Photo, Graph]

Paranemertes peregrina: [photo courtesy] 1. photo courtesy Rebecca Kordas, University of British Columbia. Kordas [Photo]

Paranemertes peregrina: [prey capture, toxin] 1. toxins used to immobilise prey polychaetes. Gibson 1970 [Text only]

Paranemertes peregrina: [preferences, prey capture, toxin] 1. lists preferred species in Friday Harbor, Washington. Roe 1970 [Table of Data]

Paranemertes peregrina: [photo courtesy] 1. photo courtesy Rebecca Kordas, University of British Columbia. Kordas [Photo]

Paranemertes peregrina: [behaviour, prey capture] 1. in San Juan Islands, Washington prefer Platynereis bicanaliculata as prey. Roe 1976 [Photo]

Paranemertes peregrina: [photo courtesy] 1. photo courtesy Rebecca Kordas, University of British Columbia. Kordas [Photo]

Paranemertes peregrina: [prey capture, toxin] 1. description of stylet formation and replacement. Stricker & Cloney 1981 [Photo, Drawing]

Paranemertes peregrina: [prey capture] 1. information on stylets and their function in prey capture. Stricker & Cloney 1982 [Photo, Drawing]

Paranemertes peregrina: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Paranemertes peregrina: [behaviour, prey capture] 1. description of trail-following to capture prey polychaetes. Amerongen & Chia 1982 [Text only]

Paranemertes peregrina: [life cycle, reproduction] 1. life span is about 1.6yr. Roe 1976 [Photo]

Paranemertes peregrina: [development, larva] 1. detailed description of pilidium larva. Maslakova & Dohren 2009 [Photo, Drawing]

Paranemertes peregrina: [larva, morphology] 1. description of pilidium larva. Maslakova 2010 [Photo, Text only]

Paranemertes sanjuanensis: [differentiation, morphology] 1. how to distinguish from P. peregrina. Stricker et al. 1982 [Drawing]

Paranemertes sanjuanensis: [prey capture] 1. features of stylets. Stricker et al. 2001 [Text only]

Paranemertes sp.: [morphology] 1. morphology of mucus-producing cephalic glands. Stricker et al. 1982 [Drawing]

Paranemertes spp.: [defense, ocelli] 1. function of eyespots may be to seek out dark hiding places. Stricker et al. 2001 [Text only]

Parastichopus californicus: [defense] 1. description of body wall. Motokawa 1984 [Photo]

Parastichopus californicus: [ventilation] 1. ventilating respiratory trees. [Video]

Parastichopus californicus: [season, evisceration] 1. first report of seasonal evisceration. Swan 1961 [Photo, Graph]

Parastichopus californicus: [season] 1. notes reduction in body-wall mass associated with seasonal "visceral atrophy". Fankboner 1988 [Text only]

Parastichopus californicus: [evisceration, season] 1. no seasonal evisceration; rather, seasonal atrophy. Fankboner & Cameron 1985 [Graph]

Parastichopus californicus: [evisceration] 1. video of an individual eviscerating its respiratory trees. [Video]

Parastichopus californicus: [season, juvenile] 1. visceral atrophy occurs in autumn and affects juveniles less than 5yr old. Cameron & Fankboner 1989 [Drawing, Graph]

Parastichopus californicus: [larva, suspension feeding] 1. description of feeding process in larvae of several species. Hart 1991 [Photo, Drawing]

Parastichopus californicus: [] 1. description of culturing with oysters. Paltzat et al. 2008 [Photo]

Parastichopus californicus: [feeding] 1. capture particulate food on sticky mop-like pads on tentacles. Cameron & Fankboner 1984 [Photo, Drawing]

Parastichopus californicus: [feeding, feces] 1. description of fecal production. daSilva et al. 1986 [Photo]

Parastichopus californicus: [behaviour, locomotion, tagging] 1. post-tagging effects on locomotory behaviour. Cieciel et al. 2009 [Graph]

Parastichopus californicus: [larva, suspension feeding, auricularia] 1. description of feeding and locomoting using ciliary bands. Burke et al. 1986 [Photo]

Parastichopus californicus: [auricularia, development, doliolaria, larva] 1. transformation from auricularia to doliolaria developmental stages. Lacalli 1993 [Photo]

Parastichopus californicus: [development, metamorphosis, reproduction] 1. metamorphosis is gradual, to a doliolaria then to a pentacula. Cameron & Fankboner 1989 [Photo, Drawing]

Parastichopus californicus: [development, hormone, metamorphosis, reproduction] 1. develops oocyte-maturation hormone. Smiley 1986 [Photo]

Parastichopus californicus: [symmetry] 1. discussion of evolution of symmetry in echinoderms. Smiley 1986 [Text only]

Parastichopus californicus: [predation] 1. commonly attacked by sunflower stars Pycnopodia helianthoides. [Photo]

Parastichopus californicus: [gonad index, reproduction, season] 1. spawn in late summer/early autumn in British Columbia. Cameron & Fankboner 1986 [Graph]

Parastichopus californicus: [reproduction, oogenesis] 1. details of egg formation. Smiley 1988 [Text only]

Parastichopus californicus: [auricularia, development, larva, spawning] 1. description of reproductive events. Cameron & Fankboner 1986 [Photo, Drawing]

Parastichopus californicus: [behaviour, season, spawning] 1. spawning behaviour. 2. in British Columbia spawn April-August. McEuen 1988 [Photo]

Parastichopus californicus: [swimming] 1. swims from contact with sunflower stars Pycnopodia helianthoides. Margolin 1976 [Photo]

Parastichopus californicus: [defense, swimming] 1. video showing an individual swimming from contact with a predatory sea star Pycnopodia helianthoides. [Video]

Parastichopus californicus: [defense, swimming] 1. compares swimming response to several species of sea stars. 2. most vigorous response to Pycnopodia helianthoides, Solaster stimpsoni, and Solaster dawsoni. Margolin 1976 [Table of Data]

Patinonemertes californiensis: [development, egg] 1. description of eggs. Roe 1993 [Text only]

Patinonemertes californiensis: [development, larva] 1. detailed description of development. Hiebert 2010 [Photo]

Patiria miniata: [predation] 1. predator of certain sea anemones. Lawn & Ross 1982 [Photo]

Penitella conradi: [burrowing, parasitism] 1. burrow parasitically into shells of molluscs, especially abalones. Smith 1969 [Photo]

Penitella pen: [habitat] 1. use acetate-peel methodology to compare growth rates in different hardness of rock. Evans & LeMessurier 1972 [Photo]

Penitella penita: [burrowing, competition, intraspecific, space] 1. effect of rock area on life stages. Evans 1968 [Photo, Drawing]

Penitella penita: [age, burrowing, competition, intraspecific] 1. estimates of rock space occupied at different ages. Evans 1968 [Photo, Graph]

Penitella penita: [prey] 1. preyed upon by sea stars Pisaster brevispinus. Haderlie 1980 [Photo]

Penitella penita: [burrowing, growth] 1. aspects of burrowing and growth in sandstone rock in Oregon. Evans 1968 [Photo, Graph]

Penitella penita: [burrowing, growth, habitat] 1. growth in sandstone habitats. Evans 1968 [Photo]

Petrolisthes cinctipes: [density, feeding, gregariousness, growth] 1. effects of intraspecific density on feeding and growth. Donahue 2004 [Photo, Graph]

Petrolisthes cinctipes: [aggression, intraspecific, wave exposure] 1. effects of wave exposure on size, and densities on puncture wounding by conspecifics. Rypien & Palmer 2007 [Photo, Drawing, Graph]

Petrolisthes cinctipes: [competition, competitive exclusion, interspecific] 1. ecological separation of sympatric species Petrolisthes cinctipes and P. eriomerus. Stillman & Somero 1996 [Photo]

Petrolisthes cinctipes: [chemical fingerprint, dispersal, embryo] 1. tests of regional fidelity of chemical identities of embryos. Carson et al. 2008 [Drawing, Graph]

Petrolisthes cinctipes: [gas exchange] 1. gas exchange enabled through extra-thin exoskeleton on walking legs. Stillman & Somero 1996 [Photo, Graph]

Petrolisthes cinctipes: [aggression, autotomy, behaviour, defense] 1. use of autotomy in escape defense against attack by different crabs, including Cancer antennarius, Hemigrapsus nudus, Pachygrapsus crassipes, and Lophopanopeus bellus. 2. compares P. cinctipes with P. eriomerus. Wasson et al. 2002 [Photo, Drawing]

Petrolisthes cinctipes: [moulting] 1. descriiption of moult cycle. Kurup 1964 [Photo]

Petrolisthes cinctipes: [predation] 1. on the west coast of British Columbia eaten by black bears Ursus americanus. [Photo]

Petrolisthes cinctipes: [ovigerous] 1. at Pacific Grove, California reproductive through most of year. Boolootian et al. 1959 [Photo, Graph]

Petrolisthes cinctipes: [broods, reproduction] 1. brood sizes in Sonoma County, California. Donahue 2004 [Photo, Graph]

Petrolisthes cinctipes: [hatching] 1. factors involved in inducing hatching. Kerr & Duffus 2006 [Drawing, Graph]

Petrolisthes eriomerus: [competition, competitive exclusion, interspecific] 1. competitive exclusion of sympatric species Petrolisthes eriomerus and P. cinctipes. Stillman & Somero 1996 [Photo]

Petrolisthes eriomerus: [gas exchange] 1. gas exchange augmented via uncalcified region on each walking leg. Stillman & Somero 1996 [Photo, Graph]

Petrolisthes eriomerus: [] 1. cleans its antennae. [Video]

Petrolisthes eriomerus: [fecundity, ovigerous, reproduction, season] 1. yearly reproductive cycle. Knudsen 1964 [Photo, Graph]

Petrolisthes eriomerus: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Petrolisthes eriomerus: [broods, ventilation] 1. ventilation of brood area by abdominal flapping. [Video]

Petrolisthes eriomerus: [suspension feeding] 1. description of mechanism of feeding. Knudsen 1964 [Photo]

Petrolisthes spp.: [defense] 1. possible competition between juvenile porcelain crabs P. cinctipes and P. eriomerus for protective space beneath adults of both species. 2. sculpins Oligocottus are used as the predator. Jensen 1991 [Graph]

Petrolisthes spp.: [photo courtesy] 1. photo courtesy Dave Zitten, University of British Columbia. Zitten [Photo]

Petrolisthes spp.: [larva, preferences, settlement, megalopa] 1. megalopal larval settlement favours conspecific adults. 2. comparison between P. cinctipes and P. eriomerus megalopae. Jensen 1989 [Graph]

Petrolisthes spp.: [competition, intertidal level, settlement, survival] 1. field experiments to explain the factors regulating distributions of the 2 competing species Petrolisthes cinctipes and P. eriomerus. Jensen & Armstrong 1991 [Graph]

Petrolisthes spp.: [behaviour, larva, swimming] 1. comparison of larval swimming and other behaviours among 4 species of porcelain crabs. Gonor & Gonor 1973 [Drawing]

Petrolisthes spp.: [behaviour, courtship] 1. comparison of courtship and other behaviours in 4 species of porcelain crabs, including P. cinctipes and P. eriomerus. Molenock 1975 [Photo]

Petrolisthes spp.: [photo courtesy] 1. photo courtesy Dave Zitten, University of British Columbia. Zitten [Photo]

Petrolisthes spp.: [suspension feeding] 1. possible function of tuft of bristles on the merus portion of the chelae. Gabaldon 1979 [Text only]

Petrolisthes spp.: [thermal maxima] 1. large-scale comparison of thermal tolerances in porcelain crabs Petrolisthes spp. along the west coasts of North and South America. Stillman 2002 [Photo]

Petrolisthes spp.: [photo courtesy] 1. photo courtesy Dave Zitten, University of British Columbia. Zitten [Photo]

Petrolisthes spp.: [thermal maxima] 1. review of thermal stresses and tolerances in Petrolisthes spp.. Stillman & Somero 2000 [Text only]

Phacellophora camtschatica: [carnivore, food] 1. eats other jellyfish, such as Aurelia labiata. 2. also eats hydromedusae. Strand & Hamner 1988 [Photo]

Phacellophora camtschatica: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Phacellophora camtschatica: [diet] 1. adults in Oregon prey opportunistically on a variety of planktonic animals. Suchman et al. 2008 [Photo]

Phacellophora camtschatica: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton, California. Lee [Photo]

Phacellophora camtschatica: [behaviour, feeding] 1. description of feeding behaviour on jellyfishes Aurelia. Strand & Hamner 1988 [Photo, Drawing, Graph]

Phacellophora camtschatica: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Phacellophora camtschatica: [life cycle, reproduction] 1. description of life cycle under culture conditions at the Monterey Bay Aquarium, California. Widmer 2006 [Photo]

Pharcidia balani: [parasitism] 1. parasitic fungas involved in shell erosion. Geller 1982 [Photo]

Photis  conchicola: [defense] 1. amphipod uses old snail shells as domiciles. Carter 1982 [Drawing]

Pinnixa faba: [symbiont] 1. common parasite in varnish clams Nuttallia obscurata. Marshall et al. 2003 [Photo]

Pinnixa faba: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Pinnixa sp.: [parasitism] 1. parasitises Tresus capax but, in the absence of a mantle skirt in the closely related T. nuttallii, the parasite is absent. Pearce 1965 [Photo, Drawing]

Pinnixa spp.: [larva, megalopa, reproduction, season] 1. includes 2 species of Pinnixa, as well as data for Cancer gracilis and Pachygrapsus crassipes. Hsueh 1991 [Photo]

Pisaster giganteus: [predation] 1. predation on snails. Harrold 1982 [Photo, Graph]

Pisaster giganteus: [photo courtesy] 1. photo courtesy. NOAA Channel Islands National Marine Sanctuary [Photo]

Pisaster giganteus: [growth] 1. growth of sea star feeding on trochid snails. Schmitt 1981 [Graph]

Pisaster ochraceus: [predation] 1. predation on black turban snails Chlorostoma funebralis. Paine 1969 [Photo]

Pisaster ochraceus: [predation] 1. effect of scent on escape behaviour in trochid snails. Hoffman 1980 [Text only]

Pisaster ochraceus: [predation] 1. predator of abalones. Crofts 1929 [Drawing]

Pisaster ochraceus: [predation] 1. preys on black turban snails Chlorostoma funebralis. 2. prefers to eat larger sizes of its prey . Markowitz 1980 [Graph]

Pisaster ochraceus: [predator] 1. in the Vancouver, British Columbia area eats introduced winkles (from the east coast via local fishmongers) Littorina littorea. Harley 2011 [Photo]

Pisaster  brevispinus: [predator] 1. digs up clams as prey. [Photo]

Pisaster  brevispinus: [predator] 1. preys on bivalves Humilaria kennerleyi. [Photo]

Pisaster  brevispinus: [predator] 1. preys on bivalves Humilaria kennerleyi. [Photo]

Pisaster  brevispinus: [predator] 1. preys on cockles Clinocardium nuttallii. [Photo]

Pisaster  brevispinus: [predator] 1. will attack and eat rock-boring piddocks Penitella penita in their burrows. Haderlie 1980 [Photo]

Pisaster  giganteus: [predator] 1. thwarted from eating bivalves Chama arcana by camouflaging growth on the clam's shell. Vance 1978 [Photo]

Pisaster  giganteus: [photo courtesy] 1. . NOAA Channel Islands National Marine Sanctuary [Photo]

Placiphorella ushakovi: [distribution] 1. description of deep-water species along west coast. Smith 1974 [Text only]

Placiphorella velata: [diet, carnivore] 1. description of carnivorous diet. [Photo]

Placiphorella velata: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby. Long [Photo]

Placiphorella velata: [predation] 1. video showing raised mantle. [Video]

Platynereis  bicanaliculata: [preferences, prey] 1. in San Juan Islands, Washington are preferred prey of nemerteans Paranemertes peregrina. Roe 1976 [Photo]

Pleurobranchaea californica: [predator] 1. eats sea anemones Anthopleura elegantissima in the laboratory. Chivers 1967 [Photo]

Podocerus cristatus: [mimicry] 1. possible Batesian mimicry between an amphipod and nudibranch Flabellina. Goddard 2000 [Photo]

Podocerus cristatus: [mimicry] 1. possible mimicry between an amphipod and a nudibranch Flabellina. Gosliner & Behrens 1990 [Photo]

Podocerus cristatus: [photo courtesy] 1. photo courtesy Jeff Goddard, UC Santa Barbara. Goddard [Photo]

Podocerus cristatus: [] 1. photo courtesy Mike Behrens, California. Behrens [Photo]

Pollicipes polymerus: [cirrus, scaling] 1. comparison with 3 other species. Marchinko & Palmer 2003 [Photo, Graph]

Pollicipes polymerus: [current velocity, growth] 1. comparison of effects of current velocity on growth rates in 4 species of barnacles. Eckman & Duggins 1993 [Graph]

Pollicipes polymerus: [cirrus, competitive exclusion, interspecific, character displacement] 1. analysis of 6 species of west-coast barnacle with respect to character displacement ramus length of cirri. Marchinko et al. 2004 [Drawing, Graph]

Pollicipes polymerus: [larval dispersal, oceanic processes, tides, upwelling] 1. larval transport related to advection of subsurface water and tide cycles. Pineda 1991 [Text only]

Pollicipes polymerus: [oceanic processes, settlement, thermocline, water flow] 1. comparison of settling in 2 areas differing in features of thermocline and water flow. Pineda & Lopez 2002 [Graph]

Pollicipes  polymerus: [feeding, food] 1. description of dietary components in the Pacific Grove region of California. Howard & Scott 1959 [Photo]

Pollicipes  polymerus: [cirrus, feeding] 1. detailed description of how the various appendages and parts are using in suspension-feeding. Barnes & Reese 1959 [Photo, Drawing]

Pollicipes  polymerus: [behaviour, feeding] 1. behaviour during feeding. Barnes & Reese 1959 [Photo]

Pollicipes  polymerus: [suspension feeding] 1. video of 2 individuals feeding. [Video]

Pollicipes  polymerus: [growth, reproduction] 1. 2yr study in San Juan Island shows breeding occurs April-October. Lewis & Chia 1981 [Graph]

Pollicipes  polymerus: [age, behaviour, preferences, suspension feeding] 1. feeding behaviour and food preferences change with age. Lewis 1981 [Photo, Graph]

Pollicipes  polymerus: [growth, habitat] 1. compares growth in onshore and offshore locations. Page 1986 [Graph]

Pollicipes  polymerus: [growth, habitat] 1. different conditions of growth reflect on cuticle banding. Chaffee & Lewis 1988 [Photo, Drawing]

Pollicipes  polymerus: [larva, settlement] 1. larvae colonise to stalks of adults. 2. 7yr stock-assessment survey. Bernard 1988 [Drawing, Graph]

Pollicipes  polymerus: [age, growth] 1. growth on rocks at La Jolla, California. 2. age at 30mm rostral-carinal length is about 20yr. Hoffman 1989 [Graph]

Pollicipes  polymerus: [development, larva, metamorphosis, settlement] 1. development in laboratory culture to settlement and metamorphosis. lewis 1975 [Photo, Drawing]

Pollicipes  polymerus: [development, larva] 1. description of early development. Lewis 1975 [Photo, Drawing]

Pollicipes  polymerus: [habitat, osmoconformer, physiological ecology, salinity, temperature stress] 1. study of stress effects of various habitats. Fyhn et al. 1972 [Graph]

Pollicipes  polymerus: [gas exchange] 1. comparison of gas exchange immersed and emersed. Petersen et al. 1974 [Photo, Graph]

Pollicipes  polymerus: [functional morphology] 1. description of supportive function of the peduncle (stalk). Crenshaw 1979 [Photo]

Pollicipes  polymerus: [predation] 1. eaten in Pacific Grove area of California by western gulls Larus occidentalis. Moore 1975 [Photo]

Pollicipes  polymerus: [patch formation] 1. "patchy" distribution may be attributable to "patchy" distribution of predatory gulls and surfbirds in California. Meese 1993 [Graph]

Pollicipes  polymerus: [community, succession] 1. community success explained by bird predation in Tatoosh Island, Washington. Wooten 1994 [Graph]

Pollicipes  polymerus: [prey, preferred] 1. comprise up to 90% of diet of glaucous-wing gulls in Tatoosh Island, Washington. Wooten 1997 [Photo, Drawing]

Pollicipes  polymerus: [brooding, reproduction] 1. eggs brooded to nauplius stage. [Photo]

Pollicipes  polymerus: [life cycle, reproduction, fertilisation] 1. information on egg production, fertilisation, and release of nauplii. Hilgard 1960 [Drawing]

Pollicipes  polymerus: [egg] 1. description of peristaltic contractions. Lewis et al. 1973 [Photo]

Pollicipes  polymerus: [brooding, reproduction] 1. may be 2 physiological races in southern California. Cimberg 1981 [Drawing]

Pollicipes  polymerus: [egg, reproduction] 1. percentage bearing egg masses seasonally relates to tidal level occupied. Page 1984 [Photo, Graph]

Pollicipes  polymerus: [genetics, reproduction] 1. no significant genetic differences in southern California populations that have been described as "physiological races" in respect to brooding. Miner 2002 [Text only]

Pollicipes  polymerus: [larva, settlement] 1. cyprid larvae preferentially settle on upper part of peduncle or stalk. Lewis 1975 [Photo]

Pollicipes  polymerus: [settlement] 1. reference to settlement of cyprids on upper part of the supporting stalks of conspecific adults. Hoffman 1988 [Photo]

Pollicipes  polymerus: [larva, settlement] 1. selective value of cyprids settling high on the stalks of conspecific adulta. Hoffman 1984 [Photo]

Pollicipes  polymerus: [photo courtesy] 1. photo courtesy Gary McDonald, Long Marine Laboratory, Santa Cruz. McDonald [Photo]

Pollicipes  polymerus: [larva, settlement] 1. settlement year-round in La Jolla, California. Hoffman 1989 [Drawing]

Pollicipes  polymerus: [reproduction, settlement] 1. in Monterey Bay settlement tends to be aggregated. 2. comparison with acorn barnacles Balanus glandula and Chthamalus dalli. Satchell & Farrell 1993 [Photo, Graph]

Pollicipes  polymerus: [reproduction, settlement] 1. transport during settlement related to intertal tidal bores. 2. compares with Chthamalus spp. in La Jolla, California. Pineda 1994 [Graph]

Pollicipes  polymerus: [morphology, shell] 1. host limpets Lottia digitalis, whose shell-shapes differ when on goose barnacles than on rock. Giesel 1969 [Photo, Graph]

Pollicipes  cornucopia: [harvesting] 1. harvested in Europe for the tapas trade. [Photo]

Pollicipes  polymerus: [competition, space] 1. competes for space on the shore with mussels Mytilus californianus and sea palms Postelsia palmaeformis. Dayton 1971 [Photo, Drawing]

Polydora cornuta: [settlement] 1. experiments on effects of delayed settlement on growth and reproduction. Qian et al. 1990 [Photo]

Polydora cornuta: [detritivory, growth, survival] 1. growth and survival significantly less on detritus than on phytoplankton. Qian & Chia 1990 [Graph]

Polydora cornuta: [distribution, genetics, reproduction] 1. genetic similarity of world populations; comparison of reproductive and other traits. Rice et al. 2008 [Photo, Graph]

Polydora  cornuta: [growth, settlement, starvation] 1. effects of food limitation on growth and settlement of larvae. Qian & Chia 1993 [Graph]

Polyorchis penicillatus: [swimming] 1. analysis of daily swimming behaviour. Arkett 1985 [Photo, Graph]

Polyorchis penicillatus: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Polyorchis penicillatus: [swimming, biomechanics] 1. study of biomechanics of swimming. DeMont & Gosline 1988 [Photo, Drawing]

Polyorchis penicillatus: [swimming] 1. swimming behaviour. [Video]

Polyorchis penicillatus: [behaviour, diel, fishing, food, vertical migration] 1. description of "sink-fishing" behaviour. 2. photo courtesy Arkett 1985 Biol Bull 169: 297. Arkett 1984 [Photo, Drawing]

Pomaulax gibberosa: [mutualism, parasitism, commensalism] 1. polynoid worm commensal with top shell . [Photo]

Pomaulax gibberosa: [defense] 1. comment on the role of the operculum in defense of both adult and larval gastropods. [Photo]

Pomaulax gibberosa: [locomotion] 1. use of retrograde-ditaxic type of locomotion. Miller 1974 [Drawing]

Pomaulax undosa: [indirect competition] 1. indirect or apparent competitive interactions with other molluscs. 2. first experimental demonstration of the existence of apparent competition. Schmitt 1987 [Photo, Graph]

Pomaulax undosum: [growth, body size] 1. factors affecting body size in populations in Santa Catalina Island, California. Carpenter 1999 [Photo, Graph]

Porcellio  scaber: [evolution, habitat] 1. introductory account of the evolution to land of isopods in the Superorder Oniscidea. [Photo]

Portunus sanguinolentus: [pheromone, reproduction] 1. first description of a pheromone in a marine crustacean. Ryan 1966 [Text only]

Postelsia palmaeformis : [space] 1. competes for space on the shore with goose barnacles Pollicipes poymerus and sea mussels Mytilus californianus. Dayton 1971 [Photo, Drawing]

Potamocorbula amurensis: [predation] 1. seasonally eaten by scaups Aythya spp.. Poulton et al. 2002 [Text only]

Praxillella pacifica: [feeding] 1. comparison of feeding in 3 maldanid species including Axiothella rubrocincta and Clymenella californica. Kudenov 1977 [Drawing]

Proboscidactyla flavicirrata: [growth, habitat] 1. colonies grow on the rims of tubeworms. Campbell 1968 [Drawing]

Proboscidactyla flavicirrata: [growth, habitat] 1. description of polyps and of feeding. 2. prey types include copepods, nematodes, eggs. Spencer 1974 [Drawing]

Proboscidactyla flavicirrata: [parasitism] 1. lives parasitically on the rims of tubeworms Pseudopotamilla ocellata. Hand & Hendrickson 1950 [Photo, Drawing]

Proboscidactyla flavicirrata: [larva, metamorphosis, settlement] 1. describes settlement part of life cycle. Campbell 1968 [Photo]

Proboscidactyla flavicirrata: [commensalism, symbiont] 1. describes relationship with several species of tubeworms as an obligate commensalism. Strickland 1971 [Photo]

Proboscidactyla flavicirrata: [larva, settlement] 1. larvae settle onto tentacles of host worm first, then move to tube rim. 2. compares settlement on different worm species. Donaldson 1974 [Photo, Graph]

Proboscidactyla flavicirrata: [behaviour, feeding, food] 1. aspects of feeding behaviour . 2. description of defensive "crumpling" behaviour. Spencer 1975 [Drawing]

Proboscidactyla flavicirrata: [behaviour, feeding] 1. well illustrated account of feeding behaviour in Puget-Sound hydromedusans. 2. compares with Stomotoca atra, Clytia gregaria, and Polyorchis penicillatus. Mills 1981 [Photo]

Promartynia : [defense, behaviour] 1. defensive responses in snails. Watanabe 1984 [Photo]

Promartynia pulligo: [defense, behaviour] 1. tumbling escape response to sea star. 2. effect of narcotisation of snails on escape response. Harrold 1982 [Photo, Graph]

Promartynia pulligo: [growth] 1. best growth on a mixed diet of seaweeds. Watanabe 1984 [Photo]

Promartynia pulligo: [competition] 1. competition between 3 species of trochid snails. Watanabe 1984 [Photo, Drawing]

Prostheceraeus bellostriatus: [aposemetism, photo courtesy] 1. photo courtesy Kevin Lee, Fullerton. 2. research needed on possible aposematism or warning coloration. Lee [Photo]

Protogonyaulax sp.: [toxin] 1. dinoflagellate responsible for Paralytic Shellfish Poison (PSP) in bivalves. 2. original description is for butter clams Saxidomus. Kvitek & Beltier 1991 [Drawing]

Protothaca staminea: [space] 1. cage studies on competition with other species. Peterson & Andre 1980 [Graph]

Protothaca staminea: [competition, food, interspecific, intraspecific] 1. competitive interactions with bivalve Chione undatella. Peterson 1982 [Photo, Graph]

Protothaca staminea: [acrorhagi, prey] 1. preyed on by octopuses Enteroctopus dofleini. Hartwick et al. 1981 [Photo]

Protothaca staminea: [borehole, predation] 1. details of seasonal predation by moon snails Euspira lewisii. 2. borehole disposition on shell valves. Pietso et al. 1994 [Photo, Graph]

Protothaca staminea: [predation] 1. thin-shelled morphs are more susceptible to moon-snail predators Euspira lewisii. Grey et al. 2007 [Photo]

Protothaca staminea: [predation] 1. eaten by crabs Cancer anthonyi and moon snails Glausaulax reclusianus. Peterson 1982 [Photo]

Protothaca staminea: [predation] 1. siphon-nipping by crabs Cancer spp. relates to burial depth. Meyer & Byers 2005 [Photo]

Protothaca staminea: [quiz] 1. quiz relating to siphon-nipping by crabs. [Text only]

Protothaca staminea: [predation, vulnerability] 1. comparison of 8 species of clams for vulnerability to predators. Boulding 1984 [Photo]

Protothaca staminea: [predator, preferences] 1. involved in a test of predator preferences with 2 other clam species. Boulding 1984 [Photo, Drawing]

Protothaca staminea: [predator, preferences] 1. predator (2 crab species) preferences for 3 species of bivalves. Dudas et al. 2005 [Photo, Graph]

Protothaca staminea: [burrowing, defense] 1. effect of burial depth on predator (Cancer productus) success. Smith et al. 1999 [Photo, Graph]

Protothaca staminea: [quiz] 1. quiz on burial defense from crab predation. [Text only]

Protothaca staminea: [growth, habitat] 1. growth rate in different localities. Paul & Feder 1973 [Photo, Graph]

Protothaca staminea: [growth, habitat] 1. growth in different habitats. Paul et al. 1976 [Photo, Graph]

Protothaca staminea: [nutritional yield, predation] 1. comparative flesh yield to sea-otter predators Enhydra lutris of several types of bivalves. Kvitek et al. 1992 [Drawing, Graph]

Protothaca staminea: [growth, predation] 1. siphon-cropping fishes reduce growth by half. Peterson & Quammen 1982 [Photo]

Protothaca staminea: [quiz] 1. quiz on growth reduction owing to siphon-cropping fishes. [Text only]

Protothaca staminea: [predation] 1. preyed upon by gulls Larus glaucescens, northern Washington. Kvitek 1991 [Photo]

Protothaca staminea: [predation] 1. preyed upon by gulls Larus glaucescens, northern Washington. Kvitek 1991 [Photo]

Protothaca staminea: [reproduction, season] 1. spawning in spring/summer in Ladysmith Harbour, British Columbia. Quayle 1943 [Photo]

Protothaca staminea: [reproduction, season] 1. spawning in June in Prince William Sound, Alaska. Feder et al. 1979 [Text only]

Protothaca staminea: [reproduction] 1. compares with 3 other bivalve species in Oregon. Robinson & Breese 1982 [Text only]

Protothaca staminea: [symbiont] 1. list of symbionts. Marshall et al. 2003 [Photo]

Protothaca staminea: [] 1. native littleneck clam. [Photo]

Protothaca staminea: [genetics, population] 1. genetic differences in populations relates to conditions of restricted water circulation. Parker et al. 2003 [Photo]

Protothaca staminea: [optimal foraging, predation] 1. in areas of British Columbia are eaten by Dungeness crabs Cancer magister, but smaller sizes preferred. Juanes & Hartwick 1990 [Text only]

Protothaca staminea: [shell-breaking] 1. describe how shell is broken by predatory crab Cancer productus. Boulding & LaBarbera 1986 [Photo]

Protothaca staminea: [borehole, predation] 1. photograph of borehole drilled by a moon snail. [Photo]

Protothaca staminea: [predation, shell, vulnerability] 1. thin-shelled morph more vulnerable to predation by moon snails Euspira lewisii. Grey et al. 2007 [Photo]

Protothaca  staminea: [predation, preferences, prey] 1. preferred prey of moon snails Euspira lewisii on Denman and Hornby Islands, British Columbia. Cook & Bendell-Young 2010 [Photo, Graph]

Pseudamphithoides incurvaria: [defense] 1. amphipod in Belize cuts out discs of alga to use as a protective shield. Hay et al. 1990 [Drawing]

Pseudoceros  canadensis: [functional morphology, ocelli] 1. description and possible function of eyespots. EAkin & Brandenburger 1981 [Photo]

Pseudoceros  canadensis: [larva, morphology, reproduction] 1. description of Mueller's and Gotte's larval types of flatworms. 2. describes nervous and sensory structures in larva. Lacalli 1983 [Drawing]

Pseudoceros  sp.: [photo courtesy] 1. photo courtesy Kevin Lee, Fullerton. Lee [Photo]

Pseudocnus curatus: [defense, ossicles] 1. general overview of role of ossicles in defense. [Photo]

Pseudocnus curatus: [growth, life cycle] 1. possible 2yr life span. Felice 1950 [Graph]

Pseudocnus curatus: [brooding, development] 1. brooding of eggs to crawling pentacula stage. 2. possible hermaphroditism. Smith 1962 [Drawing]

Pseudocnus lubricus: [predation] 1. eaten by sea stars Solaster stimpsoni in the field. 2. no escape response to Solaster. Engstrom 1988 [Photo]

Pseudopolydora kempi: [competitive exclusion] 1. field experiments on the interaction of settling larvae and presence of lugworms. Woodin 1985 [Graph]

Pseudopolydora kempi: [burrow, density] 1. smothering effects of bioturbation. Brenchley 1981 [Drawing, Text only]

Pseudopotamilla ocellata: [host, parasitism] 1. hosts a parasitic hydroid Proboscidactyla flavicirrata on its tube rim. Hand & Hendrickson 1950 [Photo, Drawing]

Psolus chitinoides: [defense, ossicles] 1. ossicle-plate configuration. Emlet 1982 []

Psolus chitinoides: [feeding] 1. feeds by capturing food particles on sticky pads on tentacles. Fankboner 1978 [Photo, Drawing]

Psolus chitinoides: [suspension feeding] 1. brief description of process. [Photo]

Psolus chitinoides: [development, life cycle, reproduction] 1. description of reproductive events . Young & Chia 1982 [Photo]

Psolus chitinoides: [life cycle, reproduction] 1. aspects of life history. McEuen & Chia 1991 [Photo]

Psolus chitinoides: [development, doliolaria] 1. significance of whole-body ciliation versus ciliated-band structure in the doliolaria larva. Emlet 1994 [Graph]

Psolus chitinoides: [predation] 1. main seastar predator is Dermasterias imbricata. Bingham & Brathwaite 1986 [Text only]

Psolus chitinoides: [season, spawning] 1. in San Juan Islands, Washington spawn March-June. 2. description of egg strand. McEuen 1988 [Photo]

Psolus chitinoides: [defense, toxin] 1. sculpins and other fishes avoid eating tissues. Bingham & Brathwaite 1986 [Photo]

Psolus chitinoides: [defense, quiz] 1. quiz on defenses of sea cucumbers Psolus chitinoides. []

Psolus chitinoides: [toxin, saponin] 1. higher concentrations of saponins than in other species of sea cucumbers, such as Eupentacta quinquesemita, Cucumaria miniata, and C. piperata. 2. saponins may themselves not be the toxic component. Bingham & Brathwaite 1986 [Text only]

Psolus  chitinoides: [defense, ossicles] 1. general role of skin ossicles in defense in different species. [Photo]

Ptilosarcus gurneyi: [commensalism] 1. photo of sea pen with several amphipods crawling on its body. [Photo]

Pugettia gracilis: [camouflage, defense] 1. species of spider crabs decorate exoskeletons with seaweeds and other bits of camouflaging. [Photo, Drawing]

Pugettia gracilis: [camouflage, competition, habitat, coexistence] 1. micro-habitat separation by 2 species of kelp crabs allows coexistence. Daly & Konar 2010 [Photo]

Pugettia producta: [camouflage, colour, epibiont] 1. comparison of camouflaging in 3 species of kelp crabs. Hultgren & Stachowicz 2008 [Photo]

Pugettia producta: [competition, interspecific] 1. study of competition between 5 species of spider crabs. 2. little overlap found in body size, habitat, or foods eaten between species. Hines 1982 [Drawing, Graph]

Pugettia producta: [aesthete, habitat] 1. video of a crab hanging onto a piece of kelp. [Video]

Pugettia producta: [behaviour, diel] 1. in California, clinging to kelp may be a seasonal event. Wicksten & Bostick 1983 [Photo]

Pugettia producta: [feeding, herbivory] 1. eat mainly brown algae. Knudsen 1964 [Photo]

Pugettia producta: [food, chemosensory] 1. frequency of antennule-flicking not associated with chemosensory responses. Zimmer-Faust & Case 1982 [Photo]

Pugettia producta: [feeding, herbivory] 1. primary consumer of seeds of surf grass Phyllospadix torreyi. Holbrook et al. 2000 [Photo]

Pugettia producta: [herbivory] 1. eat brown algae. 2. in Santa Barbara Harbor, California preferentially eat young stages of invasive brown alga Undaria pinnatifida. Thomber et al. 2004 [Graph]

Pugettia producta: [exoskeleton permeability] 1. comparison among 6 species west-coast crabs. Gross 1955 [Graph]

Pugettia producta: [osmoconformer, urine] 1. data on sodium-ion regulation and kidney involvement. Cornell 1980 [Photo]

Pugettia producta: [activity, branchial chamber, chemosensory] 1. branchial chamber has chemosensory functions. Zimmer et al. 1979 [Photo, Graph]

Pugettia producta: [reproduction, season] 1. at Pacific Grove, California are reproductive year-round. Boolootian et al. 1959 [Photo, Graph]

Pugettia richii: [camouflage, colour, epibiont] 1. comparison of camouflaging in 3 species of kelp crabs. Hultgren & Stachowicz 2008 [Photo]

Pugettia richii: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby. [Photo]

Pugettia richii: [competition, interspecific] 1. study of competition between 5 species of spider crabs. 2. little overlap in size, habitat, or foods eaten. Hines 1982 [Drawing, Graph]

Pugettia richii: [behaviour, diel] 1. males are higher up kelp plants at night than in the day. Aris et al. 1982 [Photo]

Pugettia richii: [photo courtesy] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby. Long [Photo]

Pugettias sp.: [predation] 1. caught by a great green sea anemone Anthopleura xanthogrammica. [Photo]

Pupillaria costalis: [growth] 1. good growth on diatoms and seaweed detritus. Smith et al. 1985 [Photo]

Pupillaria costalis: [] 1. photo courtesy Joel Wooster, Maine. Wooster [Photo]

Pupillaria pupillus: [] 1. consideration of mechanism of torsion. Hickman & Hadfield 2001 [Photo]

Pycnopodia helianthoides: [feeding] 1. chases abalone Haliotis kamtschatkana. [Video]

Pycnopodia helianthoides: [feeding] 1. chases abalone Haliotis kamtschatkana. [Photo]

Pycnopodia helianthoides: [predation] 1. predator of abalones. Montgomery 1967 [Drawing]

Pycnopodia  helianthoides: [predator] 1. preys on buried clams. [Photo]

Pycnopodia  helianthoides: [predator] 1. digging for a buried clam. [Photo]

Pycnopodia  helianthoides: [predator] 1. sequence showing escape of intended prey Clinocardium nuttallii . [Photo]

Pycnopodia  helianthoides: [predator] 1. juvenile attempts to capture a cockle. [Video]

Pycnopodia  helianthoides: [nematocyst, predator] 1. avoids stings from cup corals Balanophyllia elegans. [Photo]

Pycnopodia  helianthoides: [autotomy, predator] 1. may cause arm loss in feather stars Florometra serratisima. Mladenov 1983 [Photo]

Pycnopodia  helianthoides: [predation] 1. causes feather stars Florometra serratisima to swim. Mladenov 1983 [Photo]

Pycnopodia  helianthoides: [predator] 1. commonly attacks sea cucumbers Parastichopus californicus in the field. [Photo]

Pygospio elegans: [burrow, competition, density] 1. possible competition with juvenile lugworms Abarenicola pacifica. Wilson 1981 [Drawing]

Pygospio elegans: [burrowing, density] 1. burrow densities of these and other spionids may reach tens of thousands per square meter. Wilson 1981 [Drawing, Text only]

Rhacochilus vacca: [morphology, mouth] 1. structural modifications enabling crushing of littorinid snails. DeMartini 1969 [Photo, Drawing]

Rhacochilus vacca: [morphology, mouth] 1. mouth and buccal cavity modifications for crushing and eating littorinid snails. Brett 1979 [Photo, Drawing]

Rhacochilus vacca: [predator] 1. eat winkles Littorina sitkana when the latter are tethered to the shore. McCormack 1982 [Photo]

Rhacochilus  vacca: [photo courtesy] 1. photo courtesy James Watanabe, Stanford University. Watanabe [Photo]

Rhinolithodes wosnessenskii: [feeding, larva, nutritional content] 1. zoea larvae can discriminate between different dinoflagellate species as food. 2. study also includes Cancer magister, C. oregonensis, and Hemigrapsus oregonensis. Hinz et al. 2001 [Photo, Graph]

Rhinolithodes wosnessenskii: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Rhinolithodes wosnessenskii: [larva, reproduction, zoea] 1. describes first zoea larval stage. 2. provides keys for distinguishing zoeae and megalopae of several lithodid crabs. Haynes 1984 [Photo, Drawing]

Rhinolithodes wosnessenskii: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowle [Photo]

Sanguinolaria nuttallii: [burrowing, competition, interspecific, space] 1. cage experiments with 3 other California species. Peterson & Andre 1980 [Graph]

Sanguinolaria nuttallii: [competition, quiz, space] 1. quiz on interactions with other species. [Text only]

Sarsia mirabilis: [digestion, feeding] 1. general aspects of feeding and digestion. Hyman 1940 [Drawing]

Sarsia mirabilis: [predator] 1. general review of hydromedusae as global predators. 2. several local species included. Mills 1995 [Text only]

Sarsia tubulosa: [feeding, nematocyst] 1. comparison of nematocyst complements with types of prey consumed for several hydromedusan species. 2. most data from literature. Purcell & Mills 1988 [Photo]

Sarsia tubulosa: [density, salinity] 1. experiments on perception of salinity discontinuities. Arai 1973 [Text only]

Sarsia tubulosa: [density] 1. density adjustments possibly by movement of sulphate ions into the bell. Leonard 1980 [Text only]

Saxidom gigantea: [burrowing] 1. introduction to clam habitats. [Photo]

Saxidomus gigantea: [borehole, predation] 1. disposition of boreholes by moon snail predator Euspira lewisii. Pietso et al. 1994 [Photo, Graph]

Saxidomus gigantea: [predation, vulnerability] 1. comparison of 8 species of clams for vulnerability to predators. Boulding 1984 [Photo, Drawing]

Saxidomus gigantea: [predation, vulnerability] 1. comparison of 8 species of clams for vulnerability to predators. Boulding 1984 [Photo, Drawing]

Saxidomus gigantea: [predator, preferences] 1. involved in test of predator preference using 2 other clam species. Boulding 1984 [Photo]

Saxidomus gigantea: [predation] 1. sea otters Enhydra lutris put off by high levels of saxitoxins (PSPs) in flesh . Kvitek 1988 []

Saxidomus gigantea: [defense, predation] 1. paralytic shelfish poisons (PSPs) in flesh protect against sea-otter predation. Kvitek et al. 1991 [Photo]

Saxidomus gigantea: [predation] 1. preyed upon by gulls that drop them when flying to break the shells. Barash et al. 1975 [Photo]

Saxidomus gigantea: [predation] 1. seagulls learn to reject clams containing PSP toxins. Kvitek 1991 [Text only]

Saxidomus gigantea: [reproduction] 1. compares with 3 other bivalve species in Oregon. Robinson & Breese 1982 [Text only]

Saxidomus gigantea: [] 1. common from Alaska to northern California. [Photo]

Saxidomus giganteus: [energetics, suspension feeding] 1. energy cost of pumping. Bernard & Noakes 1990 [Text only]

Saxidomus giganteus: [toxin] 1. sequester saxitoxins in their tissues. Kvitek & Beltier 1991 [Drawing]

Saxidomus giganteus: [deterrent, toxin] 1. clams with PSP saxitoxins in their siphons tend to extend the siphons higher in the water column than ones without toxins. Kvitek 1991 [Graph]

Saxidomus nuttallii: [burrowing, competition, interspecific, space] 1. cage studies on competition with other species. Peterson & Andre 1980 [Graph]

Saxidomus nuttallii: [costs, feeding] 1. compares feeding costs of sea otters Enhydra lutris on this species versus Tresus nuttallii. Kvitek et al. 1988 []

Saxidomus nuttallii: [] 1. indigenous to California. [Photo]

Saxidomus nuttallii: [predation] 1. susceptibility of large vs. small clams being dropped from different heights by Western gulls. Maron 1982 [Graph]

Saxidomus sp.: [defense, toxin] 1. presence of PSP saxitoxins deters predation by sculpins . Kvitek 1991 [Photo, Graph]

Saxidomus sp.: [quiz] 1. quiz on siphon-extension in butter clams. [Text only]

Schizobranchia insignis: [host, settlement] 1. better host to settling larvae of hydroid Proboscidactyla flavicirrata than other worms, such as Eudistylia vancouveri. Donaldson 1974 [Photo, Graph]

Scyra acutifrons: [camouflage, defense] 1. photo courtesy Ron Long, Simon Fraser University, Burnaby. 2. example of camouflaging growths. Long [Photo]

Scyra acutifrons: [camouflage, defense] 1. covered in camouflaging growths. [Video]

Scyra acutifrons: [interspecific] 1. study of competition between 5 species of spider crabs. 2. little overlap in size, habitat, or foods eaten. Hines 1982 [Drawing, Graph]

Scyra acutifrons: [fecundity, reproduction] 1. compares reproductive output for 10 west-coast species of crabs. 2. this is the least fecund. Hines 1982 [Photo, Graph]

Semibalanus balanoides: [competition, intraspecific, hummock] 1. shortage of space leads to hummock formation. Bertness et al. 1998 [Photo, Drawing]

Semibalanus cariosus: [filter-feeding] 1. night-time feeding. Takeda et al. 1998 [Text only]

Semibalanus cariosus: [cirrus, scaling] 1. comparison with 3 other species. Marchinko & Palmer 2003 [Photo, Graph]

Semibalanus cariosus: [growth] 1. this species lacks a basal plate. [Photo]

Semibalanus cariosus: [current velocity, growth] 1. comparison of effects of current velocity on growth rates in 4 species of barnacles. Eckman & Duggins 1993 [Graph]

Semibalanus cariosus: [competition, interspecific] 1. competition with Balanus glandula and Chthamalus dalli. Dayton 1971 [Photo]

Semibalanus cariosus: [competition, interspecific] 1. competition with mussels Mytilus californianus and barnacles Balanus glandula. Lee & Ambrose 1989 [Photo]

Semibalanus cariosus: [ecological interaction] 1. ecological interactions with other barnacles and whelks. Berlow & Navarrete 1997 [Photo]

Semibalanus cariosus: [character displacement, cirrus, competitive exclusion] 1. analysis of 6 species of barnacles with respect to character displacement of ramus length of cirri. Marchinko et al. 2004 [Drawing]

Semibalanus cariosus: [larval dispersal, tides] 1. transport of larvae by internal tidal waves. Shanks & Wright 1987 [Text only]

Semibalanus cariosus: [spat, survival] 1. survival of spat enhanced by being in close proximity to adults. [Photo]

Semibalanus cariosus: [settlement, survival] 1. settlement and survival in San Juan Islands, Washington. Sebens & Lewis 1985 [Photo, Graph]

Semibalanus cariosus: [cyprid larva, survival, cannibalism] 1. cannibalism by adults on settling larvae. Navarrete & Wieters 2000 [Photo]

Semibalanus cariosus: [larval dispersal, nauplius larva] 1. larval release from parent synchronised with springtime plankton bloom. Starr et al. 1975 [Photo]

Semibalanus cariosus: [development, nauplius larva, reproduction] 1. comparison with 2 other species Balanus glandula and B. crenatus. Branscomb & Vedder 1982 [Drawing]

Semibalanus cariosus: [cyprid larva, settlement, substratum preference] 1. larvae prefer to settle on substrata bearing microflora from a lower intertidal level. Strathmann et al. 1981 [Photo, Graph]

Semibalanus cariosus: [distribution, intertidal level, predation] 1. differential predation by whelks Nucella spp. sets lower levels of intertidal distribution. Connell 1970 [Photo, Drawing]

Semibalanus cariosus: [predation, preferences, borehole] 1. preference by predatory whelks Nucella spp. for body plates to drill rather than opercular plates. Palmer 1982 [Photo, Graph]

Semibalanus cariosus: [cyprid larva, predator, settlement, substratum preference] 1. cyprids do not avoid areas frequented by predatory whelks Nucella lamellosa. Johnson & Strathmann 1989 [Graph]

Semibalanus cariosus: [predator, prey] 1. predatory whelks Nucella ostrina and N. canaliculata readily prey on this species, but not on volcano barnacles Tetraclita rubescens. Sanford & Swezey 2008 [Photo, Drawing, Graph]

Shields 1993: [parasitism] 1. list of nemertean parasites of crab eggs. Shields 1993 [Table of Data]

Siliqua patula: [age, growth] 1. latitudinal effects on growth. Weymouth et al. 1925 [Graph]

Siliqua patula: [growth, latitudinal] 1. latitudinal effects on growth. Weymouth et al. 1931 [Photo, Graph]

Siliqua patula: [burrowing, morphology] 1. explanation for good burrowing abilities. Yonge 1952 [Photo]

Siliqua patula: [burrowing, morphology] 1. comparison of burrowing techniques with Solen rosaceus. Pohio 1963 [Drawing]

Siliqua patula: [life cycle, reproduction] 1. spawning in July-Sept in Haida Gwai, British Columbia. Bourne 1979 [Photo]

Siliqua patula: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Siliqua patula: [growth, larva, reproduction] 1. growth of larvae to metamorphic competency. Breese & Robinson 1981 [Graph]

Siliqua patula: [genetics, population] 1. show genetic heterogeneity in west-coast populations. LeClair & Phelps 1994 [Drawing]

Siliqua patula: [] 1. fast burrowing species. [Photo]

Silvetia compressa: [protection] 1. provide covering protection to chitons Cyanoplax hartwegii. DeBevoise 1975 [Photo]

Silvetia compressa: [photo courtesy] 1. photo courtesy Jim Watanabe, Stanford University, California. Watanabe [Photo]

Solaster stimpsoni: [predator] 1. preferred laboratory sea-cucumber prey are species of Eupentacta. Engstrom 1988 [Photo]

Solaster stimpsoni: [predator, preferences] 1. field diet is 100% sea cucumbers. Mauzey et al. 1968 [Text only]

Solemya  reidi: [energetics, suspension feeding] 1. calculate energetic cost of pumping. Bernard & Noakes 1990 [Text only]

Solen rosaceus: [burrowing, morphology] 1. comparison of burrowing methods with Siliqua patula. Pohio 1963 [Drawing]

Sphaeroma quoianum: [burrowing, habitat] 1. describes invasive qualities and present distribution on the west coast. Talley et al. 2001 [Photo]

Sphaeroma quoianum: [distribution, habitat, invasive] 1. information on world distribution. Davidson et al. 2008 [Drawing]

Sphaeroma quoianum: [distribution, habitat, invasive] 1. several papers on world distributions of this invasive species. Davidson & de Rivera 2010 [Drawing]

Sphaeroma  pentodon: [osmotic regulation, physiological ecology] 1. comparison of osmoregulatory ability with Gnorimosphaeroma oregonense . Riegel 1959 [Photo, Graph]

spionids : [community, stability] 1. field experiments on an infaunal polychaete assemblage in Mission Bay, California. Levin 1984 [Photo]

Stenoplax  heathiana: [habitat, water flow] 1. correlation of distribution with water movement of 5 chiton species. Linsenmeyer 1975 [Graph]

Stenopleustes sp.: [mimicry] 1. possible Batesian mimicry between amphipod and snail Lacuna sp.. Field 1974 [Photo]

Stichopus japonicus: [regeneration, gut] 1. describes gut regeneration following evisceration. Leibson 1992 [Drawing]

Stichopus japonicus: [connective tissue, neurosecretion] 1. neurotransmitters ("holokinin") involved in mediating state-transformation of collagen connective-tissues. Birenheide et al. 1998 [Graph]

Stomotoca atra: [costs, energetics, swimming] 1. compares swimming costs with another hydromedusa Gonionemus vertens. Daniel 1985 [Photo, Graph]

Stomotoca atra: [food, preferences, food web] 1. food-web dynamics for this and other hydromedusans in Georgia Strait, British Columbia. 2. includes also Eutonina indicans and Aequorea victoria. Arei & Jacobs 1980 [Drawing]

Stomotoca atra: [alarm, defense] 1. stops swimming in response to a purported alarm substance released by a possibly competing or even predatory hydromedusan Aequorea aequorea. Lenhoff 1965 [Photo]

Stomphia coccinea: [defense, swimming] 1. first description of swimming in Stomphia. Stephenson 1935 [Photo, Drawing]

Stomphia coccinea: [defense, swimming] 1. pacemaker involvement in swimming. Robson 1961 [Photo]

Stomphia didemon: [swimming] 1. description of swimming mode after contact with sea star Hippasteria spinosa. Sund 1958 [Photo]

Stomphia didemon: [swimming] 1. assessment of many sea stars as to their effectiveness in inducing detachment and swimming . Dalby et al. 1988 [Table of Data]

Stomphia didemon: [development, reproduction, sexual] 1. seasonal cycle of spawning and development. Siebert 1973 [Photo]

Stomphia sp.: [defense, swimming] 1. photo courtesy Don Ross, University of Alberta, Edmonton. Ross [Photo]

Stomphia sp.: [defense, swimming] 1. assessment of swimming responses to a couple of dozen sea-star predatos. Yentsch & Pierce 1955 [Photo, Table of Data]

Stomphia sp.: [swimming] 1. comparison of several sea stars as predators . Robson 1961 [Photo, Table of Data]

Stomphia sp.: [defense, swimming] 1. comparison of several sea stars as predators. Ward 1965 [Photo, Table of Data]

Stomphia sp.: [swimming, stimulus] 1. skin secretion from predatory sea star Dermasterias imbricata induces swimming. Ross & Sutton 1964 [Photo]

Stomphia sp.: [swimming] 1. assessment of taxonomic affinity of sea stars in relation to their induction of swimming in sea anemones Stomphia sp.. Mauzey et al. 1968 [Table of Data]

Stomphia sp.: [defense, swimming] 1. use of swimming data to assess phylogenetic affinity of sea stars in relation to their ability to induce sea anemones Stomphia to swim. Dalby et al. 1988 [Table of Data]

Stomphia sp.: [defense, swimming] 1. is dietary affinity important in sea stars in connection with defensive swimming response in sea anemones Stomphia sp.. Mauzey et al. 1988 [Table of Data]

Stomphia sp.: [defense, swimming] 1. is dietary affinity important in the induction of swimming in Stomphia by sea-star predators. Dalby et al. 1988 [Table of Data]

Stomphia sp.: [defense, swimming] 1. is familiarity of contact involved in swimming response to sea-star predators?. Dalby et al. 1988 [Table of Data]

Stomphia spp.: [species] 1. description of species in Puget Sound. Ross 1979 [Photo]

Stomphia spp.: [quiz] 1. quiz on swimming behaviour in sea anemone Stomphia spp.. [Text only]

Stomphia spp.: [defense, swimming] 1. forced to live deeper by predatory sea star Dermasterias imbricata. Dalby et al. 1988 [Text only]

Strongylocentrotus franciscanus: [protection] 1. provide protection for abalones Haliotis kamtschatkana under their spine canopies. Tomascik & Holmes 2003 [Photo]

Stylochus insolitus: [aposemetism, photo courtesy] 1. photo courtesy Kevin Lee, Fullerton. 2. research needed on possible aposematism or warning coloration. Lee [Photo]

Suberites sp.: [symbiont] 1. grows on shell of hermit crab Pagurus sp.. [Video]

Symbiodinium spp.: [temperature ] 1. temperature affects which species of symbiont will be present in sea anemone Anthopleura elegantissima. Muller-Parker et al. 2007 []

Symbiodinium spp.: [symbiont, physiology] 1. physiology of symbionts dealt with in this paper and in Ibid 2001 & 2002. Verde & McCloskey 2007 [Text only]

Talitridae : [] 1. introductory comments regarding habitat ecology of terrestrial amphipodsl. [Photo]

Talitris saltator: [vision, ocelli] 1. possible visual role of ocelli in the brain of European terrestrial amphipods. Raimond et al. 2002 [Photo]

Tectura depicta: [food, habitat] 1. inhabit eelgrass Zostera blades where they graze on host's epidermis. 2. rare species. Zimmerman et al. 2001 [Photo]

Tectura depicta: [photo courtesy] 1. photo courtesy Lovell & Libby Langstroth, California. Langstroth []

Telmessus cheiragonus: [chromatophore, larva, ultraviolet] 1. experiments on chromatophore behaviour in different light conditions. Miner et al. 2000 [Photo, Graph]

Terebrasabella heterouncinata: [parasitism] 1. life cycle of a sabellid parasite in the shells of abalone. Oakes & Fields 1996 [Drawing]

Teredo navalis: [competition, space] 1. intraspecific competion in wood. 2. comparison of burrow features with Bankia setacea. [Photo]

Teredo navalis: [competition, interspecific] 1. superior competitor with Bankia setacea. Miller 1926 [Drawing]

Teredo navalis: [protandry, reproduction] 1. compares with Bankia setacea. Coe 1941 [Photo]

Teredo navalis: [reproduction] 1. comparative reproduction in shipworms. Coe 1933 [Photo]

Teredo sp.: [digestion] 1. evidence given for wood digestion by enzymes. Greenfield & Lane 1953 [Text only]

Teredo sp.: [digestion] 1. evidence given for wood digestion by enzymes. Greenfield & Lane 1953 [Text only]

Teredo spp.: [nutrition] 1. gill symbionts provide essential amino acids to Teredo host. Trytek & Allen 1980 [Text only]

Teredo spp.: [digestion, bacteria] 1. shipworms have bacterial symbionts for digestion of wood scrapings. Sipe et al. 2000 [Photo]

Tetraclita rubescens: [character displacement, cirrus, competitive exclusion] 1. analysis of 6 species of barnacles with respect to character displacement of ramus length of cirri. Marchinko et al. 2004 [Drawing, Graph]

Tetraclita rubescens: [development, nauplius larva, reproduction] 1. description of larval development. Miller & Roughgarden 1994 [Photo, Drawing]

Tetraclita rubescens: [distribution, predator, prey] 1. northward range extension may be favoured by failure of local whelks Nucella ostrina and N. canaliculata to eat them. Sanford & Swezey 2008 [Photo, Drawing, Graph]

Tetraclita rubescens: [range extension] 1. reference to range extension . Connally & Roughgarden 1998 [Text only]

Tetraclita squamosa: [growth] 1. growth comparison with 2 other barnacle species. Hines 1979 [Graph]

Tetraclita squamosa: [genetics, larval dispersal] 1. genetics study determines that geographical features of Point Conception and Monterey Bay off no barrier to dispersal of larvae. Ford & Mitton 1993 [Photo, Drawing]

Tetraclita squamosa: [broods, reproduction] 1. comparative brood numbers seasonally including Balanus glandula and Chthamalus fissus. Hines 1978 [Photo, Graph]

Tetraclita squamosa: [broods, intertidal level, reproduction] 1. effect of intertidal level and other factors on brood production. 2. comparison with Balanus glandula and Chthamalus fissus. Hines 1979 [Graph]

Tetraclita squamosa: [settlement] 1. comparison of times and features of settlement with 2 other species Balanus glandula and Chthamalus fissus. Hines 1979 [Photo]

Tetrastemma sp.: [prey capture] 1. description of killing and eating a prey amphipod. Stricker & Cloney 1982 [Text only]

Tetrastemma sp.: [prey capture] 1. description of killing and eating a prey amphipod. Stricker & Cloney 1982 [Text only]

Thais haemastoma: [borehole, toxin] 1. toxin injected into borehole, as in a barnacle. Palmer 1982 [Text only]

Thinopinus pictus: [predation] 1. description of beetle predation on sandhoppers. Craig 1970 [Photo]

Thinopinus pictus: [photo courtesy] 1. photo courtesy Lovell & Libby Langstroth, California. Langstroth [Photo]

Thinopinus pictus: [predation] 1. predation strategy used by beetles to eat sandhoppers Megalorchestia . Richards 1982 [Graph]

Thinopinus  pictus: [predator] 1. eats isopods and amphipods in the supratidal area of the shore. Craig 1970 [Photo]

Thinoseius brevisternalis: [parasitism] 1. mite parasite of beachhopper amphipods. Rigby 1996 [Drawing]

Thorlaksonius carinata: [mimicry] 1. possible mimicry between an amphipod and a snail. Carter & Behrens 1980 [Photo]

Thorlaksonius platypus: [camouflage, mimicry] 1. snail is mimicked by amphipod. Crane 1969 [Photo]

Tonicella insignis: [gonad index] 1. spawn in springtime when phytoplankton blooms occur. Himmelman 1979 [Graph]

Tonicella lineata: [aesthete, chemical, light] 1. aesthete function investigated, with attention mainly to photoreceptor role. Omelich 1967 [Photo, Drawing]

Tonicella lineata: [gas exchange] 1. description of ctenidia number and morphology. Johnson 1969 [Photo]

Tonicella lineata: [ctenidia, gas exchange] 1. comparison with Nuttallina californica. Robbins 1975 [Photo, Drawing]

Tonicella lineata: [diet] 1. eat primarily coralline algae. Demopulos 1975 [Photo, Graph]

Tonicella lineata: [diet] 1. compares diets of 6 species of chitons at Deception Island, Washington. Piercy 1987 [Graph]

Tonicella lineata: [defense, predation] 1. not eaten by several species of sea stars in the field or laboratory, so a chemical deterrent may be involved. Selff 1975 [Photo]

Tonicella lineata: [larva, settlement, stimulus] 1. larval settlement induced by intact coralline algae or extracts of same. Barnes & Gonor 1973 [Photo]

Tonicella lineata: [gonad index, season] 1. spawn in springtime. 2. several years of data. Himmelman 1979 [Photo, Graph]

Transennella tantilla: [predation] 1. eaten by juvenile Dungeness crabs in Coos Bay, Oregon. Asson-Batres 1986 [Photo]

Transiennella sp.: [predation] 1. eaten by green crabs Carcinus maenas in Bodega Harbor, California. Grosholz & Ruiz 1995 [Photo]

Traskorchestia traskiana: [feeding, preferences] 1. preference for wrack seaweeds over fresh seaweeds as food. Pennings et al. 2000 [Photo, Graph]

Traskorchestia traskiana: [competition, habitat, guild] 1. habitat competition in an amphipod guild in California. Gunnill 1982 [Photo]

Traskorchestia traskiana: [photo courtesy] 1. photo courtesy Mary Jo Adams, Washington State University, Everett, Washington. Adams [Photo]

Traskorchestia traskiana: [parasitism] 1. load of parasitic mites being carried. Rigby 1996 [Photo, Graph]

Traskorchestia traskiana: [preferences] 1. comparison of habitat preferences with Megalorchestia californiana. Pelletier et al 2011 [Photo, Graph]

Traskorchestia traskiana: [photo courtesy] 1. photo courtesy Mary Jo Adams, Washington State University, Everett. Adams [Photo]

Traskorchestia traskiana: [habitat] 1. habitat temperatures . Koch 1989 [Photo, Graph]

Traskorchestia traskiana: [photo courtesy] 1. photo courtesy Mary Jo Adams & Beach Watchers. Adams [Photo]

Traskorchestia traskiana: [osmotic regulation] 1. osmotic regulation. Koch 1991 [Graph]

Traskorchestia traskiana: [predation] 1. high-intertidal level predation by a nemertean worm. Roe 1993 [Photo]

Traskorchestia traskiana: [photo courtesy] 1. photo courtesy Mary Jo Adams & Beach Watchers. Adams [Photo]

Traskorchestia traskiana: [reproduction] 1. breeding season in Strait of Georgia, Washington. Koch 1990 [Photo]

Traskorchestia traskiana: [photo courtesy] 1. photo courtesy Mary Jo Adams & Beach Watchers. Adams [Photo]

Traskorchestia traskiana: [jumping] 1. video of amphipod jumping. [Video]

Tresus capax: [settlement, facilitation] 1. facilitates colonisation of eelgrass beds by a non-native alga Sargassum muticum, through the latter's spores growing on its siphon plates. White & Orr 2011 [Photo]

Tresus capax: [photo courtesy] 1. photo courtesy Dave Cowles, Walla Walla University, Washington. Cowles [Photo]

Tresus capax: [predator] 1. list of common predators includes snails, crabs and sea stars. Wendell et al. 1976 [Text only]

Tresus capax: [predation, vulnerability] 1. comparison of 8 species of clams for vulnerability to predators. Boulding 1984 [Photo, Drawing]

Tresus capax: [diet] 1. primarily eat diatoms, dinoflagellates, and detritus particles. Reid 1969 [Photo]

Tresus capax: [growth line, habitat] 1. growth comparisons in coastal British Columbia. Bourne & Smith 1972 [Photo, Graph]

Tresus capax: [growth, season] 1. seasonal growth in Humboldt Bay, California. Wendell et al. 1976 [Graph]

Tresus capax: [age, growth line] 1. relative growth at different ages in Yaquina Bay, Oregon. Willeke & Hancock 1980 [Graph]

Tresus capax: [camouflage, defense] 1. siphon plates defend against predators. 2. growth on the plates offers camouflage. Stout 1970 [Photo]

Tresus capax: [reproduction] 1. describes gonad development and other aspects. Machell & DeMartini 1971 [Photo]

Tresus capax: [reproduction] 1. compares with 3 other species of bivalves in Oregon. Robinson & Breese 1982 [Text only]

Tresus capax: [morphology] 1. compares morphology with Tresus nuttallii. Swan & Finucane 1952 [Photo]

Tresus capax: [] 1. horse or gaper clam. [Photo]

Tresus nuttallii: [growth, habitat] 1. shell growth distortion in individuals growing in rock-piddock burrows. Addicott 1963 [Photo, Drawing]

Tresus nuttallii: [growth, scaling, allometry] 1. allometric change in shell form with age. Pohlo 1964 [Drawing, Graph]

Tresus nuttallii: [growth, settlement] 1. settlement and early growth in Elkhorn Slough, California. Clark et al. 1975 [Graph]

Tresus nuttallii: [costs, feeding] 1. compares feeding costs of sea otters Enhydra lutris eating this species versus Saxidomus nuttallii. Kvitek et al. 1988 [Drawing]

Tresus nuttallii: [morphology] 1. compare morphology with Tresus capax. Swan & Finucane 1952 [Photo]

Tresus nuttallii: [morphology, parasitism] 1. absence of mantle skirt may prevent occupation of parasitic crabs Pinnixa sp. within the mantle cavity. Pearce 1965 [Photo]

Tresus nuttallii: [] 1. Pacific gaper clam. [Photo]

Tresus spp.: [age, growth] 1. growth and age in different habitats. 2. compares T. nuttallii and T. capax. Campbell et al. 1990 [Photo, Graph]

Tresus spp.: [burrowing, circulatory system] 1. heart too weak to contribute to siphon or foot extensions. Smith & Davis 1965 [Text only]

Tresus spp.: [nutritional yield, predation] 1. comparative flesh yield to sea otters Enhydra lutris of several clam species. Kvitek et al. 1992 [Drawing, Graph]

Tresus spp.: [photo courtesy] 1. photo courtesy Linda Schroeder, Pacific Northwest Shell Club, Seattle, Washington. 2. Tresus capax and T. nuttallii. Schroeder [Photo]

Tresus spp.: [morphology] 1. compares morphology of Tresus capax and T. nuttallii. Pearce 1965 [Photo]

Tresus  nuttallii: [burrowing, competition, interspecific, space] 1. cage studies on competition with other species. Peterson & Andre 1980 [Graph]

Trididemnum opacum: [competition, interspecific] 1. outcompeted for space by cup corals Balanophyllia elegans. Bruno & Witman 1996 [Photo, Drawing]

Tubulanus  polymorphus: [aposemetism] 1. possible warning coloration in nemerteans; research needed. [Photo]

Tubulanus  polymorphus: [carnivore, predator] 1. photograph of the ribbon worm with the remains of a polychaete prey. 2. authors review foods of nemerteans. McDermott & Roe 1985 [Photo]

Tubulanus  punctatus: [defense, tetrodotoxin] 1. describes presence of toxin in flesh. Miyazawa et al. 1988 [Photo]

Tubulanus  sexlineatus: [aposemetism, defense] 1. possible warning coloration in nemerteans; research needed. [Photo]

Undaria pinnatifida: [photo courtesy] 1. photo courtesy FAO. FAO [Photo]

Ursus americanus: [predator] 1. eat crabs Petrolisthes cinctipes and Hemigrapsus spp. on the west coast of British Columbia. [Photo]

Ursus americanus: [photo courtesy] 1. photo courtesy Tony Costa at eTravelPhotos website. Costa [Photo]

Urticina crassicornis: [nematocyst] 1. scaling of nematocyst size. Francis 2004 [Graph]

Urticina crassicornis: [food, preferences] 1. description of feeding modes in sea anemones. [Photo]

Urticina crassicornis: [larval dispersal, settlement] 1. aspects of larval biology and substrate selection for settlement. Stricker 1985 [Photo, Drawing]

Urticina crassicornis: [development, reproduction, sexual] 1. details of development from fertilisation to early juvenile. Chia & Spaulding 1972 [Photo]

Urticina lofotensis: [regeneration] 1. wound regeneration. [Photo]

Urticina lofotensis: [nematocyst] 1. distribution of nematocysts and spirocysts in the body. Sebens & Laakso 1977 [Photo, Drawing]

Urticina lofotensis: [gonad index, reproduction, sexual] 1. seasonal reproductive cycle. Wedl & Dunn 1983 [Photo, Graph]

Urticina piscivora: [defense, swimming] 1. description of swimming in response to sea-star predator. Elliott et al. 1985 [Drawing]

Urticina piscivora: [nematocyst] 1. distribution of nematocysts and spirocysts in the body. Sebens & Laakso 1977 [Photo, Drawing]

Urticina piscivora: [feeding, preferences] 1. photo courtesy Roland Anderson and Leo J. Shaw, Seattle Aquarium, Washington. [Photo]

Urticina sp.: [food, habitat] 1. description of a good spot to feed. Batham & Pantin 1950 [Photo]

Urticina sp.: [marking] 1. description of marking method using vital stains. Sebens 1976 [Photo]

Urticina spp.: [defense] 1. description of swimming in response to predatory sea stars. Lawn & Ross 1982 [Photo]

Urticina spp.: [feeding, preferences] 1. comparison of foods eaten in 4 species: piscivora, lofotensis, coriacea, and crassicornis. Sebens & Laakso 1977 [Photo]

Venerupis philippinarum: [survival, temperature stress] 1. mortality from low temperature combined with low-tide leves. Bower 1992 [Photo]

Venerupis philippinarum: [acontia, competition] 1. takes over in Colorado Lagoon, California after demise of quahog population Mercenaria mercenaria. Burnaford et al. 2011 [Photo]

Venerupis philippinarum: [burrowing, predation] 1. siphon-nipping by crabs Carcinus spp. relates to burial depth.