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.
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