PROTOCOL

California Sea Slug Census

Count adult slugs, not egg masses. List derived from RG iNat obs of infraclass Eutineuros without order Stylommatophora, superfamily Lymnaeoidea, order Ellobiida, family Pyramidellidae, superorder Siphonarimorpha, superorder Pylopulmonata, and family Rhizoridae (species list on iNat).

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Author @kueda.net
Created 5/18/2026, 1:22:17 AM
Required Fields
  • eventDate
  • eventDuration
  • surveyorCount

Targets (195)

Type Target
Taxonomic
Noble Dorid (Peltodoris nobilis)
Taxonomic
Opalescent Nudibranch (Hermissenda opalescens)
Taxonomic
Spotted Dorid (Triopha maculata)
Taxonomic
Hopkins' Rose Nudibranch (Ceratodoris rosacea)
Taxonomic
California Seahare (Aplysia californica)
Taxonomic
San Diego Dorid (Diaulula sandiegensis)
Taxonomic
Monterey Dorid (Doris montereyensis)
Taxonomic
Hilton's Aeolid (Phidiana hiltoni)
Taxonomic
California Aglaja (Navanax inermis)
Taxonomic
Clown Dorid (Triopha catalinae)
Taxonomic
Red Sponge Dorid (Rostanga pulchra)
Taxonomic
Spanish Shawl (Flabellinopsis iodinea)
Taxonomic
White-spotted Sea Goddess (Doriopsilla albopunctata)
Taxonomic
Salt-and-pepper Doris (Aegires albopunctatus)
Taxonomic
Black Seahare (Aplysia vaccaria)
Taxonomic
Branched Dendronotid (Dendronotus venustus)
Taxonomic
White-speckled Dorid (Doriopsilla fulva)
Taxonomic
Sorcerer's Dorid (Polycera atra)
Taxonomic
Stubby Dendronotid (Dendronotus subramosus)
Taxonomic
Laguna Beach Aeolid (Tenellia lagunae)
Taxonomic
Cloudy Bubble Snail (Bulla gouldiana)
Taxonomic
Price's Aeolid (Apata pricei)
Taxonomic
Enteromorpha-eating Sapsucker (Aplysiopsis enteromorphae)
Taxonomic
White Dendronotus (Dendronotus albus)
Taxonomic
Fisher's Aeolid (Orienthella piunca)
Taxonomic
Colorful Dirona (Dirona picta)
Taxonomic
McDonald's Dorid (Limacia mcdonaldi)
Taxonomic
Heath's Dorid (Geitodoris heathi)
Taxonomic
Black and White Dorid (Acanthodoris rhodoceras)
Taxonomic
Warty Shag-rug Nudibranch (Aeolidia loui)
Taxonomic
Olive's Aeolid (Anteaeolidiella oliviae)
Taxonomic
Cockerell's Dorid (Limacia cockerelli)
Taxonomic
cockscomb nudibranch (Antiopella barbarensis)
Taxonomic
Horned Nudibranch (Hermissenda crassicornis)
Taxonomic
Hammerhead Doto (Doto amyra)
Taxonomic
Yellow-spotted Cadlina (Cadlina flavomaculata)
Taxonomic
Sandalwood Dorid (Acanthodoris lutea)
Taxonomic
Modest Cadlina (Cadlina modesta)
Taxonomic
Yellow-gilled Sea Goddess (Doriopsilla gemela)
Taxonomic
Three-lined Aeolid (Orienthella trilineata)
Taxonomic
Hooded Nudibranch (Melibe leonina)
Taxonomic
Ancula pacifica
Taxonomic
Homely Aeolid (Eubranchus rustyus)
Taxonomic
Green Bubble Snail (Haminoea virescens)
Taxonomic
Festive Tritonid (Tritonia festiva)
Taxonomic
Yellow Umbrella Slug (Tylodina fungina)
Taxonomic
California Chromodorid (Felimare californiensis)
Taxonomic
Pacific Corambe (Corambe pacifica)
Taxonomic
Sea Cherub (Cliopsis krohnii)
Taxonomic
Brown Horned Dorid (Acanthodoris brunnea)
Taxonomic
Hedgpeth's Dorid (Polycera hedgpethi)
Taxonomic
White-crusted Aeolid (Tenellia albocrusta)
Taxonomic
Colorful Aeolid (Anteaeolidiella chromosoma)
Taxonomic
Nanaimo Dorid (Acanthodoris nanaimoensis)
Taxonomic
Ridge-tailed Dorid (Diaphorodoris lirulatocauda)
Taxonomic
Doto urak
Taxonomic
Two-spotted Dorid (Thordisa bimaculata)
Taxonomic
Stearns' Aeolid (Austraeolis stearnsi)
Taxonomic
Elegant Aeolid (Abronica abronia)
Taxonomic
Yellow-edged Cadlina (Cadlina luteomarginata)
Taxonomic
British Columbia Doto (Doto columbiana)
Taxonomic
Hedgpeth's Sapsucker (Elysia hedgpethi)
Taxonomic
MacFarland's Chromodorid (Felimida macfarlandi)
Taxonomic
Dark-spot Cadlina (Cadlina sparsa)
Taxonomic
Yellow-head Aeolid (Tenellia flavovulta)
Taxonomic
Taylor's Seahare (Phyllaplysia taylori)
Taxonomic
Porter's Chromodorid (Neptunazurea porterae)
Taxonomic
Los Angeles Goniodorid (Bermudella angelensis)
Taxonomic
Cooper's Aeolid (Orienthella cooperi)
Taxonomic
Seal Doto (Doto kya)
Taxonomic
Baba's Festive Aeolid (Babakina festiva)
Taxonomic
White-lined Dirona (Dirona albolineata)
Taxonomic
Green Balloon Aeolid (Eubranchulus olivaceus)
Taxonomic
Mimic Dorid (Baptodoris mimetica)
Taxonomic
Keen's Tritonid (Tritonicula myrakeenae)
Taxonomic
Striped Barrel Snail (Rictaxis punctocaelatus)
Taxonomic
Striped Nudibranch (Armina californica)
Taxonomic
Red Aldisa (Aldisa sanguinea)
Taxonomic
Spectacular Corolla (Corolla spectabilis)
Taxonomic
Giant Nudibranch (Dendronotus iris)
Taxonomic
Rose-pink Cuthona (Cuthona divae)
Taxonomic
Shiny Aeolid (Tenellia fulgens)
Taxonomic
Steinberg's Corambe (Corambe steinbergae)
Taxonomic
Japanese Bubble Snail (Haloa japonica)
Taxonomic
Blister Glassy-bubble (Haminoea vesicula)
Taxonomic
Freckled Ancula (Ancula lentiginosa)
Taxonomic
Chan's Dorid (Hallaxa chani)
Taxonomic
Strong's Sidegill (Pleurehdera strongi)
Taxonomic
Hancock's Nudibranch (Hancockia californica)
Taxonomic
Lance's Doto (Doto lancei)
Taxonomic
White-and-orange-tipped Nudibranch (Antiopella fusca)
Taxonomic
Northern Leopard Dorid (Diaulula odonoghuei)
Taxonomic
Hudson's Horned Dorid (Acanthodoris hudsoni)
Taxonomic
California Side-gill Slug (Pleurobranchaea californica)
Taxonomic
Boreoberthella chacei
Taxonomic
Doriopsilla rowena
Taxonomic
White Smooth-horn Dorid (Conualevia alba)
Taxonomic
Brown-streaked Sapsucker (Stiliger fuscovittatus)
Taxonomic
California Diaphana (Diaphana californica)
Taxonomic
Hamann's Aeolid (Cuthona hamanni)
Taxonomic
Fernald's Aeolid (Cumanotus fernaldi)
Taxonomic
Three-color Polycera (Polycera tricolor)
Taxonomic
Phoenix Aeolid (Cuthona phoenix)
Taxonomic
Odhner's Dorid (Doris odhneri)
Taxonomic
Limbaugh's Cadlina (Cadlina limbaughorum)
Taxonomic
Morro Bay Aeolid (Emarcusia morroensis)
Taxonomic
Tenellia spadix
Taxonomic
Hunchback Doris (Atagema alba)
Taxonomic
Feather Aeolid (Fiona pinnata)
Taxonomic
Leather Limpet (Onchidella carpenteri)
Taxonomic
Sonora Dorid (Taringa aivica)
Taxonomic
Chocolate Aeolid (Margina cocoachroma)
Taxonomic
Vayssierea felis
Taxonomic
Janna's Dorid (Atalodoris jannae)
Taxonomic
Rabbit Dorid (Crimora coneja)
Taxonomic
Branched Sapsucker (Placida dendritica)
Taxonomic
Picken's Dorid (Doris pickensi)
Taxonomic
Pink Tritonid (Tritonia exsulans)
Taxonomic
Alderia willowi
Taxonomic
Misaki Aeolid (Leostyletus misakiensis)
Taxonomic
Lost Cuthona (Cuthona perca)
Taxonomic
Engel's Gumdrop (Berthellina ilisima)
Taxonomic
Fuzzy Onchidoris (Onchidoris muricata)
Taxonomic
Tanya's Dorid (Doris tanya)
Taxonomic
Flat Goniodorid (Ceratodoris plana)
Taxonomic
Olive's Sapsucker (Hermaea oliviae)
Taxonomic
Leopard Dorid (Jorunna pardus)
Taxonomic
Spalding's Dorid (Doriopsilla spaldingi)
Taxonomic
Rough Barrel-Bubble (Acteocina inculta)
Taxonomic
Modest Clown Dorid (Triopha modesta)
Taxonomic
barnacle-eating dorid (Onchidoris bilamellata)
Taxonomic
Swift Trapania (Trapania velox)
Taxonomic
Annulated Nudibranch (Janolus anulatus)
Taxonomic
Shag-rug Nudibranch (Aeolidia papillosa)
Taxonomic
Enosima Aeolid (Sakuraeolis enosimensis)
Taxonomic
Gland Dorid (Polycerella glandulosa)
Taxonomic
Goddard's Aeolid (Pacifia goddardi)
Taxonomic
black-spotted dorid (Dendrodoris nigromaculata)
Taxonomic
Humped Ancula Sea Slug (Ancula gibbosa)
Taxonomic
Cerberilla pungoarena
Taxonomic
Red-Headed Aeolid (Noumeaella rubrofasciata)
Taxonomic
Boreoberthella californica
Taxonomic
Alderia harvardiensis
Taxonomic
Cadlina jannanicholsae
Taxonomic
Mulliner's Dorid (Peltodoris mullineri)
Taxonomic
Bertsch's Aeolid (Edmundsella bertschi)
Taxonomic
Spotted Aglaja (Aglaja ocelligera)
Taxonomic
Roller's Aeolid (Cuthona rolleri)
Taxonomic
Orange-peel Nudibranch (Tochuina gigantea)
Taxonomic
Moss Landing Aeolid (Cerberilla mosslandica)
Taxonomic
Hooked Barrel-Bubble (Acteocina harpa)
Taxonomic
Western Barrel-Bubble (Acteocina culcitella)
Taxonomic
Azine's Dorid (Dendrodoris azineae)
Taxonomic
Doto kwakwak
Taxonomic
Pacific Batwing Seaslug (Gastropteron pacificum)
Taxonomic
Freckled Dorid (Peltodoris lentiginosa)
Taxonomic
Cooper's Aldisa (Aldisa cooperi)
Taxonomic
White Phyllidid (Phyllidiopsis blanca)
Taxonomic
Ink Stain Dorid (Polycera alabe)
Verbatim
unknown slug
Taxonomic
Oriental Tortellini Snail (Philine orientalis)
Taxonomic
Steinbeck's Aeolid (Capellinia steinbecki)
Taxonomic
New Zealand Tortellini Snail (Philine auriformis)
Taxonomic
White-lined Aldisa (Aldisa albomarginata)
Taxonomic
Sylvia Earle's Cadlina (Cadlina sylviaearleae)
Taxonomic
Threaded Nudibranch (Pseudobornella orientalis)
Taxonomic
MacFarland's Runcina (Rfemsia macfarlandi)
Taxonomic
Red Thordisa (Thordisa rubescens)
Taxonomic
Albatross Aglaja (Melanochlamys diomedea)
Taxonomic
Spotted Lagoon Aeolid (Tenellia adspersa)
Taxonomic
British Columbia Aeolid (Tenellia columbiana)
Taxonomic
Doc's Aeolid (Catriona rickettsi)
Taxonomic
Naked Sea Butterfly (Clione limacina)
Taxonomic
Berthellina engeli
Taxonomic
Clio recurva
Taxonomic
Coryphella
Taxonomic
Clione okhotensis
Taxonomic
Cat Goniodorid (Goniodoridella felis)
Taxonomic
Crowned Dorid (Velona evincta)
Taxonomic
Acteocina cerealis
Taxonomic
Long's Aeolid (Cuthona longi)
Taxonomic
Cuban Leaf Slug (Veronicella cubensis)
Taxonomic
Behrens' Dorid (Doriopsilla davebehrensi)
Taxonomic
Neat Aeolid (Cuthonella concinna)
Taxonomic
California Bonfire (Placida brookae)
Taxonomic
Cedros Chromodorid (Felimare amalguae)
Taxonomic
Eelgrass Palio (Palio zosterae)
Taxonomic
Cylichna diegensis
Taxonomic
Vancouver Sapsucker (Hermaea vancouverensis)
Taxonomic
Thompson's Corambid (Loy thompsoni)
Verbatim
unknown aeolid
Verbatim
unknown dorid
Taxonomic
Hermissenda sp. (Hermissenda)
Taxonomic
Doriopsilla sp. (Doriopsilla)
Taxonomic
Doto amyra or urak (Doto)

Place Options (25)

  • Point St. George (41.7829955, -124.2556885)Del Norte County, California, US
  • Luffenholtz Beach and Topena Point (41.0400609, -124.1202768)Humboldt County, California, US
  • Palmer's Point (41.1297931, -124.1647393)Palmer's Point Trail, Humboldt County, California, US
  • Lost Coast (40.4385370, -124.4095003)Humboldt County, California, US
  • Laguna Point (39.4896732, -123.8036728)Mendicino County, California, US