COMMON
NAME |
GENUS |
SPECIES |
INTRODUCTION |
VERIFIED |
|
Acarnus |
abietinaria |
|
|
|
Acarnus |
acanthomysis |
|
|
|
Acarnus |
erithacus |
|
|
|
Achelia |
nudiscula |
|
|
|
Achelia
|
spinoseta |
|
|
|
Aclis |
shepardiana |
|
|
|
Allorchestes |
anceps |
|
|
|
Alpheus |
dentipes |
|
|
|
Ammotheca |
hilgendorfi |
|
|
|
Anatanais |
normani |
|
|
|
Antho |
lithophoenix |
|
|
|
Aplidium |
californicum |
|
|
|
Arabella |
iricolor |
|
|
|
Archidistoma |
ritteri |
|
|
|
Balcis |
thersites |
|
|
|
Ceramiella |
|
|
|
|
Cerithiopis |
carpenteri |
|
|
|
Collisella |
clathria |
|
|
|
Cymakra |
aspera |
|
|
|
Diplodonta |
orbella |
|
|
|
Elasmopus |
serricatus |
|
|
|
Fabia |
subuadrata |
|
|
|
Flustrellidra |
corniculata |
|
|
|
Haliclona
(biege) |
|
|
|
|
Haliclona
(biege, gold) |
|
|
|
|
Haliclona
(gold) |
|
|
|
|
Hapalogaster |
cavicauda |
|
|
|
Irus |
lamellifer |
|
|
|
Kellia |
laperousii |
|
|
|
Lasaea |
cisula |
|
|
|
Lacuna |
marmorata |
|
|
|
Lacuna |
porrecta |
|
|
|
Lecythorhychus |
hilgendorfi |
|
|
|
Littorophiloscia |
richardsonae |
|
|
|
Musculus |
pygmaeus |
|
|
|
Metacaprella |
anomala |
|
|
|
Milneria |
minima |
|
|
|
Mitrella |
tuberosa |
|
|
|
Myriogramme |
variagata |
|
|
|
Nassarius |
mendicus |
|
|
|
Nymphopsis |
spinosissima |
|
|
|
Nereis |
guberi |
|
|
|
Ocenebra |
atropurpurea |
|
|
|
Oedignathus |
octopus |
|
|
|
Oedignathus |
odostomia |
|
|
|
Oligochinus |
lighti |
|
|
|
Opalia |
wroblewskyi |
|
|
|
Paradynoides |
benedicti |
|
|
|
Parallorchestes |
ochotensis |
|
|
|
Paranthura |
elegans |
|
|
|
Philobrya |
setosa |
|
|
|
Petaloconchus |
montereyensis |
|
|
|
Petricola |
carditoides |
|
|
|
Phragmatopoma |
californica |
|
|
|
Phyllochaetopterus |
prolifica |
|
|
|
Pisaster |
giganteus |
|
|
|
Polycheria |
osborni |
|
|
|
Porcellio |
americanus |
|
|
|
Pycnoclavella |
stanleyi |
|
|
|
Pycnogonum |
rickettsi |
|
|
|
Pycnogonum |
stearnsi |
|
|
|
Scyra |
scycha |
|
|
|
Spongia |
vermicularis |
|
|
|
Spongonema |
tomentosum |
|
|
|
Strongylocentrotus |
droebachiensis |
|
|
|
Tealia |
suberites |
|
|
|
Tectura |
lofotensis |
|
|
|
Tethya |
funebralis |
|
|
|
Thelepus |
rubescens |
|
|
|
Transennella |
tantilla |
|
|
|
Transennella |
toxadocialineata |
|
|
|
Typosyllis |
aciculata |
|
|
|
Velutina |
velutina |
|
|
Abalone
Jingle |
Pododesmus |
cepio |
|
|
Acorn
Barnacle |
Balanus |
glandula |
|
|
Aggregating
Anemone |
Anthopleura |
elegantissima |
|
|
Algae |
Centroceras |
clavulatum |
|
|
Algae |
Ceramium |
pacificum |
|
|
Algae |
Ceramium |
gardneri |
|
|
Algae |
Ceramium |
eatonianum |
|
|
Anemone |
Tealia |
crassicornis |
|
|
Arctic
Hiatella |
Hiatella |
arctica |
|
|
Baba's
Okenia |
Okenia |
plana |
NATIVE |
|
Banded
Polycera |
Polycera |
zosterae |
NATIVE |
|
Barnacle |
Semibalanus |
cariosus |
|
|
Barnacle
Eating Dorid |
Onchidoris |
bilamellata |
NATIVE |
|
Barrel
Shell |
Rictaxis |
punctocaelatus |
NATIVE |
|
Bat
Star/ Sea Bat |
Patiria |
miniata |
|
|
Beaumont's
Aeolid |
Cumanotus |
beaumonti |
NATIVE |
|
Bivalve |
Modiolus |
carpenteri |
|
|
Black
Abalone |
Haliotis |
cracherodii |
|
|
Black
Brooding Sea Cucumber |
Cucumaria |
curata |
|
|
Black
Katy Chiton |
Katharina |
tunicata |
|
|
Black
Polycera |
Polycera |
atra |
NATIVE |
|
Black
Turban |
Tegula |
brunnea |
|
|
Blood
Star |
Henricia |
leviuscula |
|
|
Bloody
Red Dorid |
Aldisa |
sanguinea |
NATIVE |
|
Breadcrumb
Sponge |
Halichondria |
panicea |
|
|
Brittle
Star |
Amphipholis |
squamata |
|
|
Brittle
Star |
Ophioplocus |
papillosa |
|
|
Brooding
Anemone |
Epiactis |
prolifera |
|
|
Brown
Turban Snail |
Tegula |
gurjanovae |
|
|
Bryozoans |
Geodia |
mesotriaence |
|
|
Burrowing
Brittle Star |
Amphiodia |
occidentalis |
|
|
California
Arminid |
Armina |
californica |
NATIVE |
|
California
Common Beach Hopper |
Caprella |
californica |
|
|
California
Mussel |
Mytilus |
californianus |
|
|
California
Sea Hare |
Aplysia |
californica |
NATIVE |
|
California
Trivia |
Trivia |
californiana |
|
|
Cedar-Scented
Dorid |
Acanthodoris |
brunnea |
NATIVE |
|
Chan's
Dorid |
Hallaxa |
chani |
NATIVE |
|
Channeled
Top Snail |
Calliostoma |
canaliculatum |
|
|
Checkered
Periwinkle |
Littornia |
scutulata |
|
|
Chiton |
Lepidochitona |
dentiens |
|
|
Christmas
or Painted Anemone |
Urticina |
crassicornis |
|
|
Clam |
Cryptomya |
californica |
|
|
Clam |
Lasaea |
subviridis |
|
|
Clear
Jewel Box |
Chama |
arcana |
|
|
Clown
Nudibranch |
Triopha |
catalinae |
NATIVE |
|
Club
Tipped Anemone |
Corynactis |
californica |
|
|
Cobalt
Sponge |
Hymenamphiastra |
cyanocrypta |
|
|
Cockerells
Dorid |
Laila |
cockerelli |
NATIVE |
|
Colonial
Tunicate |
Didemnum |
carnulentum |
|
|
Colored
Dendronotid |
Dendronotus |
diversicolor |
NATIVE |
|
Columbia
Doto |
Doto |
columbiana |
NATIVE |
|
Common
Mussel |
Mytilus |
edulis |
|
|
Common
Sea Jelly |
Aurelia |
aurita |
|
|
Correa's
Aeolid |
Precuthona |
divae |
NATIVE |
|
Cough
Limpet? |
Macclintockia |
scabra |
|
|
Crab |
Lophopanopeus |
leucomanus |
|
|
Crimson
Dorid |
Rostanga |
maculata |
NATIVE |
|
Daisy
Brittle Star |
Ophiopholis |
aculeata |
|
|
Diomede's
Aglajid |
Melanochlamys |
diomedea |
NATIVE |
|
Diomedes
Tritan |
Tritonia |
diomedea |
NATIVE |
|
Dungeness
Crab |
Cancer |
magister |
|
|
Dwarf
Lurid Triton |
Ocenebra |
lurida |
|
|
Eelgrass
Isopod |
Idotea |
resecata |
|
|
Festive
Triton |
Tritonia |
festiva |
NATIVE |
|
File
Limpet |
Collisella |
limantula |
|
|
Finger
Limpet |
Lottia |
digitalis |
|
|
Flat
Hoof Shell |
Hipponix |
craniodes |
|
|
Gastropod |
Bittium |
purpureum |
|
|
Gastropod |
Bittium |
eschrichtii |
|
|
Gastropod |
Barleeia |
subtenuis |
|
|
Gastropod |
Barleeia |
haliotiphila |
|
|
Giant
Acorn Barnacle |
Balanus |
nubilus |
|
|
Giant
Green Anemone |
Anthopleura |
xanthogrammica |
|
|
Giant
Kelp |
Macrocystis |
pyrifera |
|
|
Giant
Kelp |
Macrocystis |
integrifolia |
|
|
Giant
Red Urchin |
Strongylocentrotus |
franciscanus |
|
|
Giant
Rock Scallop |
Hinnites |
giganteus |
|
|
Golden
Dirona |
Dirona |
ahrantia |
NATIVE |
|
Golden
Dorid |
Dendrodis |
fulva |
NATIVE |
|
Gould's
Paper Bubble |
Haminoea |
vesicula |
NATIVE |
|
Graceful
Aeolid |
Trinchesia |
abronia |
NATIVE |
|
Graceful
Kelp Crab |
Pugettia |
gracilis |
|
|
Gray
Periwinkle |
Littorina |
planaxis |
|
|
Green
Paper Bubble |
Haminoea |
virescens |
NATIVE |
|
Gumboot
Chiton |
Cryptochiton |
stelleri |
|
|
Hairy
Chiton |
Mopalia |
cilliata |
|
|
Hairy
Hermit? |
Pagurus |
hirsutiusculus |
|
|
Hancocks
Nudibranch |
Hancockia |
californica |
NATIVE |
|
Heath's
Dorid |
Discodoris |
heathi |
NATIVE |
|
Hedgpeth's
Polycera |
Polycera |
hedgpethi |
NATIVE |
|
Hedgpeth's
Sea Hare |
Elysia |
hedgpethi |
NATIVE |
|
Hermit
Crab |
Pagurus |
|
|
|
Hooked
Barrel-Bubble |
Cylichnella |
harpa |
NATIVE |
|
Hopkin's
Rose |
Hopkinsia |
rosacea |
NATIVE |
|
Horse
Mussel |
Modiolus |
capax |
|
|
Hudson's
Dorid |
Acanthodoris |
hudsoni |
NATIVE |
|
Hydrocoral |
Stylantheca |
porphyra |
|
|
Isopod |
Exosphaeroma |
inornata |
|
|
Isopod |
Ianiropsis |
kincaidi |
|
|
Isopod |
Idotea |
urotoma |
|
|
Isopod |
Idotea |
stenops |
|
|
Isopod |
Idotea |
schmitti |
|
|
Isopod |
Idotea |
fewkesi |
|
|
Isopod |
Limnoria |
algarum |
|
|
Kelp
Limpet |
Notoacmea |
insessa |
|
|
Laguna's
Aeolid |
Trinchesias |
lagunae |
NATIVE |
|
Leafy
Dendronotid |
Dendronotus |
fronosus |
NATIVE |
|
Leafy
Hornmouth |
Ceratostoma |
foliatum |
|
|
Leather
Star |
Dermasterias |
imbricata |
|
|
Little
Piddock/ Abalone Piddock |
Penitella |
conradi |
|
|
Limpet |
Discurria |
scutum |
|
|
Lined
Chiton |
Tonicella |
crispus |
|
|
Large
Periwinkle |
Littorina |
keenae |
|
|
Leaf
Barnacle |
Pollicipes |
polymerus |
|
|
Leather
Limpet |
Onchidella |
borealis |
|
|
Limpet |
Lottia |
trangularis |
|
|
Limpet |
Lottia |
strigatella |
|
|
Limpet |
Hyale |
grandicornis |
|
|
Lobed
Tunicate |
Cystodytes |
lobatus |
|
|
Manaimo
Dorid |
Acanthodis |
nanaimoenis |
NATIVE |
|
Marine
Pillbug |
Cirolana |
harfordi |
|
|
Misakis
Aeolid |
Eubranchus |
misakiensis |
NATIVE |
|
Modest
Alderia |
Alderia |
modesta |
NATIVE |
|
Modest
Cadlina |
Cadlina |
modesta |
NATIVE |
|
Monterey
Dorid |
Archidoris |
montereyensis |
NATIVE |
|
Mossy
Chiton |
Mopalia |
muscosa |
|
|
Muricate
Dorid |
Onchidoris |
muricata |
NATIVE |
|
Musking
Crab |
Loxorhyncus |
crispatus |
|
|
Naked
Ear Aeolid |
Catriona |
gymnota |
NATIVE |
|
Nodding
Head |
Barentsia |
benedeni |
|
|
Ochre
Starfish/ Common Starfish |
Pisaster |
ochraceus |
|
|
Orange
Cup Coral ? |
Balanophyliia |
elegans |
|
|
Olive
Aeolid |
Eubranchus |
olivaceus |
NATIVE |
|
Olive's
Aeolid |
Spurilla |
oliviae |
NATIVE |
|
Orange
Doto |
Doto |
amyra |
NATIVE |
|
Ostrich
Plume Hydroid |
Aglaophenia |
latrirostris |
|
|
Owl
Limpet |
Lottia |
gigantea |
|
|
Pacific
Ancula |
Ancula |
pacifica |
NATIVE |
|
Pacific
Corambe |
Corambe |
pacifica |
NATIVE |
|
Pacific
Half Slipper |
Crepipatella |
lingulata |
|
|
Painted
Dirona |
Dirona |
picta |
NATIVE |
|
Pale
Aeolid |
Tenellia |
pallida |
NATIVE |
|
Papillose
Aeolid |
Aeolidia |
papillosa |
NATIVE |
|
Peanut
Worm |
Phascolosoma |
agassizii |
|
|
Pelagic
Nudibranchs |
Fiona |
pinnata |
NATIVE |
|
Pink
Encrusting Bryozoa |
Eurystomella |
bilabiata |
|
|
Plate
Limpet |
Lottia |
pelta |
|
|
Porcelain
Crab |
Petrolisthes |
cinctipes |
|
|
Porcupine
Dorid |
Onchidoris |
hystricina |
NATIVE |
|
Price's
Aeolid |
Coryphella |
cooperi |
NATIVE |
|
Purple
Sponge |
Haliclona |
permollis |
|
|
Purple
Urchin |
Strongylocentrotus |
purpuratus |
|
|
Rainbow
Dendronotid |
Dendronotus |
iris |
NATIVE |
|
Red
Abalone |
Haliotis |
rufescens |
|
|
Red
Algae |
Myriogramme |
spectabilis |
|
|
Red
Barnacle |
Tetraclita |
aurantia |
|
|
Red
Crab |
Cancer |
productus |
|
|
Red
Dendronotid |
Dendronotus |
rufus |
NATIVE |
|
Red-Tipped
Dorid |
Acanthodoris |
rhodoceras |
NATIVE |
|
Regular
Chiton |
Ischnochiton |
regularis |
|
|
Ringed
Dorid |
Diaulula |
sandiegensis |
NATIVE |
|
Rustic
Aeolid |
Eubranchus |
rustyus |
NATIVE |
|
Rock
Cockle |
Protothaca |
staminea |
|
|
Rock
Crab |
Cancer |
antennarius |
|
|
Rock
Entodesma |
Entodesma |
saxicola |
|
|
Rock
Louse |
Ligia |
pallasii |
|
|
Rockweed
Isopod |
Idotea |
wosnesenskii |
|
|
Sculptured
Rock Shell |
Ocenebra |
interfossa |
|
|
Sea
Bottle Clam |
Mytilimeria |
nuttallii |
|
|
Sea
Butterfly |
Corolla |
spectabilis |
|
|
Sea
Spider |
Achelia |
chelata |
|
|
Sea
Slub |
Baptodoris |
mimetica |
|
|
Sea
Slug |
Cadlina |
modesta |
|
|
Sea
Slug |
Diaphana |
californica |
|
|
Sea
Star |
Leptasterias |
puscilla |
|
|
Sunflower
Sea Star |
Pycnopodia |
helianthoides |
|
|
Santa
Barbara Antiopella |
Antiopella |
barbarensis |
NATIVE |
|
Seal
Doto |
Doto |
kya |
NATIVE |
|
Sharp-Nosed
Crab |
Scyra |
acutifrons |
|
|
Shelled
Gastropod |
Granulina |
margaritula |
|
|
Shelled
Gastropod |
Lacuna |
unifasciata |
|
|
Shield-Backed
Kelp Crab |
Pugettia |
producta |
|
|
Shiny
Aeolid |
Trinchesia |
fulgers |
NATIVE |
|
Sitka
Periwinkle |
Littornia |
sitkana |
|
|
Six-Rayed
Star |
Leptasterias |
hexactis |
|
|
Slightly
Branched Dendronotid |
Dendronotus |
subramosus |
NATIVE |
|
Slipper
Shell |
Crepidula |
adunca |
|
|
Snail |
Amphissa |
versicolor |
|
|
Snail |
Alia |
carinata |
|
|
Snail |
Epitonium |
tinctum |
|
|
Snow
White Dorid |
Archidoris |
odhneri |
NATIVE |
|
Soft-Bellied
Crab |
Oedignathus |
inermis |
|
|
Spanish
Shawl |
Flabellinopsis |
iodinea |
NATIVE |
|
Speckled
Limpet |
Notoacmea |
persona |
|
|
Speckled
Sea Lemon |
Anisodoris |
nobilis |
NATIVE |
|
Speckled
Triopha |
Triopha |
maculata |
NATIVE |
|
Spiny
Brittle Star |
Ophiothrix |
spiculata |
|
|
Sponge |
Anaata |
spongigartina |
|
|
Sponge |
Aplysilla |
polyraphis |
|
|
Sponge |
Aplysilla |
glacialis |
|
|
Sponge |
Axocielita |
originalis |
|
|
Sponge |
|
hymedesmia |
|
|
Sponge |
Leucosolenia |
eleanor |
|
|
Sponge |
Leucilla |
nuttingi |
|
|
Sponge |
Leucandria |
heathi |
|
|
Sponge |
Lissodendoryx |
topsenti |
|
|
Sponge |
Lissodendoryx |
firma |
|
|
Sponge |
Mycale |
psila |
|
|
Sponge |
Myxilla |
incrustans |
|
|
Sponge |
Plocamia |
karykina |
|
|
Sponge |
Stelletta |
clarella |
|
|
Sponge |
Tedania |
scutum |
|
|
Sponge |
Xestospongia |
vanilla |
|
|
Sponge |
Zygherpe |
hyaloderma |
|
|
Spotted
Aglaja |
Aglaju |
occelligera |
NATIVE |
|
Steinberg's
Dorid |
Doridella |
steinbergae |
NATIVE |
|
Striped
Shore Crab/ Lined Shore Crab |
Pachygrapsus |
crassipes |
|
|
Sunflower
Star/ Twenty-Rayed Star |
Ritterella |
aeualisphonis |
|
|
Tar
Spot Cucumber |
Cucumaria |
pseudocurata |
|
|
Taylor's
Sea Hare |
Phyllaplysia |
gibbosa |
NATIVE |
|
Thatched
Barnacle |
Balanus |
cariosus |
|
|
The
Angel's Okenia |
Okenia |
angelensis |
NATIVE |
|
Thick-horned
Aeolid |
Hermissenda |
crassicornis |
NATIVE |
|
Three-colored
Polycera |
Polycera |
tricolor |
NATIVE |
|
Three-striped
Aeolid |
Coryphella |
trilineata |
NATIVE |
|
Tochni |
Tochuina |
tetraquetra |
NATIVE |
|
Top
Snail |
Callistoma |
ligatum |
|
|
Tubularian
Hydroid |
Tubularia |
crocea |
|
|
Veined
Sacoglossid |
Placida |
dendrittica |
NATIVE |
|
Velvety
Red Sponge |
Ophlitaspongia |
ppennata |
|
|
White
False Limpet |
Trimusculus |
reticulatus |
|
|
West
Coast Lady |
Vanessa |
annabella |
NATIVE |
|
Western
Barrel-Bubble |
Cylichnella |
culcitella |
NATIVE |
|
Western
White Slipper Snail |
Crepidula |
perforans |
|
|
White
False Limpet |
Trimusculus |
reticulatus |
|
|
White-Cap
Limpet |
Acmaea |
mitra |
|
|
White
Dendronotid |
Dendronotid |
albus |
NATIVE |
|
White-lined
Dirona |
Dirona |
albolineata |
NATIVE |
|
White
Ringed and White Line Ribbon Worm |
Tubulanus |
sexlineatus |
|
|
White
Slipper Snail |
Crepidula |
nummaria |
|
|
White-Spotted
Sea Goddess |
Doriopsilla |
albopunctata |
NATIVE |
|
White-Spotted
Rose Anemone |
Urticina |
lofotensis |
|
|
Winged
Sea Slug |
Gastropteron |
pacificum |
NATIVE |
|
Wrinkled
Dove Snail |
Amphissa |
columbiana |
|
|
Yellow-Edged
Cadlina |
Cadlina |
luteomarginata |
NATIVE |
|
Yellow-headed
Aeolid |
Trinchesia |
flavovulta |
NATIVE |
|
Yellow-Spotted
Cadlina |
Cadlina |
flavomaculata |
NATIVE |
|