Crustacea

Crustacea of Southern California and nearby places (Click on images or names to open) Yellow background, exotic species Compiled by Peter J. Bryant (pjbryant@uci.edu) Department of Developmental and Cell Biology, University of California, Irvine, CA 92697
Amphipods
Amphithoe plumulosa	Skeleton Shrimp, Caprella mendax	Elasmopus bampo	Freshwater shrimp, Gammarus sp.	Beach amphipod, Melita sp.
California Beach Hopper, Orchestoidea californiana	Big-eyed Beach Hopper, Orchestoidea corniculata	Jassa slatteryi	Hyalid amphipod	Unidentified Amphipod
Unidentified Amphipod
Branchiopoda
Vernal Pool Fairy Shrimp, Branchinecta lindahli
Cirripedia (Barnacles)
Ivory Barnacle, Amphibalanus eburneus	Acorn Barnacle, Balanus glandula	Giant Acorn Barnacle, Balanus nubilus	Small Acorn Barnacle, Chthalamus fissus	Humpback Whale Barnacle, Coronula diadema
Pelagic Goose Barnacle, Lepas anatifera	California Barnacle, Megabalanus californicus	Pacific Barnacle, Paraconcavus pacificus	Goose Barnacle, Pollicipes polymerus	Red-thatched Barnacle, Tetraclita rubescens
Cladocera The Cladocerans
Freshwater
Chydorus sphaericus	Daphnia lumholtzi	Daphnia magna	Daphnia pulex	Moina brachiata
Simocephalus punctatus
Marine
Marine Cladoceran, Evadne sp.	Marine Cladoceran, Penilia avirostris	Marine Cladoceran, Pleopis polyphemoides	Marine Cladoceran, Pseudevadne tergestina
Copepods
Calanoid Copepod, Acartia sp.	Calanus pacificus	Sea Louse, Caligus sp.	Caligoid (parasitic) copepod (Sea Louse)	Freshwater Calanoid Copepod, Mastigodiaptomus albuquerquensis
Mecynocera clausi	Paracalanus parvus	Calanoid copepod	Nauplius II larva
Cyclopoid Copepod	Cyclopoid Copepod	Harpacticoid Copepod	Harpacticoid Copepod	Harpacticoid Copepod
Cumacea	Euphausiacea (Krill)
Cumacean	Euphausia pacifica	(larva) Nematoscelis difficilis	Nyctiphanes simplex	Thysanoessa spinifera
Marine Isopods Guide to the Coastal Marine Isopods of California
Water slater, Asellus aquaticus	Marine isopod, Cilicaea sp.	Harford's Isopod, Cirolana harfordi	Elthusa californica	Excirolana chiltoni
Bigtail Isopod, Exosphaeroma amplicauda	Exosphaeroma inornata	Sea Slater (Rock Louse), Ligia occidentalis	Parasitic Isopod, Nerocila acuminata	Paranthura elegans
Marine Isopod	Marine Isopod
Terrestrial Isopods				Mysidacea
Pill bug, Armadillidium vulgare	Porcellionides floria	Porcellionides sp.		Opossum Shrimp
Ostracods		Stomatopods (Mantis Shrimps)	Tanaids
Ostracod		Mantis shrimp, Hemisquilla ensigera californiensis	Synaptotanais notabilis	Zeuxo sp.
Decapods (Shrimp, crayfish, lobsters, crabs)
Alpheidae	Blepharipodidae: Sand Crabs	Callianassidae	Cambaridae
Snapping Shrimp, Alpheus sp.	Spiny Mole Crab, Blepharipoda occidentalis	Ghost Shrimp, Neotrypaea affinis	Ghost Shrimp, Neotrypaea californiensis	Crayfish, Procambarus clarkii
Palinuridae	Epialtidae: Kelp Crabs and Spider Crabs
California Spiny Lobster, Panulirus interruptus	Winged Kelp Crab, Epialtoides hiltoni	Decorator Crab, Loxorhynchus crispatus	Sheep Crab, Loxorhynchus grandis	Kelp Crab, Pugettia sp.
Grapsidae	Hippidae	Munididae	Ocypodidae	Pandalidae
Striped shore crab, Pachygrapsus crassipes	Pacific Sand Crab, Emerita analoga	Pelagic Red Crab, Pleuroncodes planipes	Fiddler Crab, Uca crenulata	Spot Prawn, Pandalus platyceros
Penaeidae	Paguridae			Pinnotheridae
Brown Shrimp, Penaeus californicus	Hermit Crab, Pagurus samuelis	Hermit Crab, Pagurus hirsutiusculus	Hermit Crab	Zoea larva of Pea crab, Pinnixa franciscana
Porcellanidae: Porcelain Crabs			Portunidae	Leucosiidae
Cabrillo's Porcelain Crab, Petrolisthes cabrilloi	Zoea Larva	Zoea Larva	Swimming Crab, Portunus xantusii	Purple Globe Crab, Randallia ornata
Lithodidae		Majidae	Varunidae	Xanthidae: Pebble Crabs
Spiny King Crab, Paralithodes californiensis	Rathbun's King Crab, Paralithodes rathbuni	Southern Kelp Crab (Globose Kelp Crab), Taliepus nuttallii	Yellow Shore Crab, Hemigrapsus oregonensis	Lumpy Pebble Crab, Paraxanthias taylori

A collection of unidentied megalops larvae
© Peter J. Bryant. Back to Natural History of Orange County, California