Guide to Invertebrates found below the high tide line on Southern Vancouver Island from Nanaimo County to Alberni-Clayoquot County

Based on Research Grade Species Observations 2020-12-05

All 484

North Pacific Lampshell ¹
Terebratalia transversa

California Lampshell ²
Laqueus californicus

Lecane luna ³

Corella inflata ⁴

Icy Tunicate ⁵
Corella willmeriana

Disc-top Tunicate ⁶
Chelyosoma productum

Ascidia paratropa ⁷

Pacific Sea Peach ⁸
Halocynthia aurantium

Sea Hedgehog ⁹
Halocynthia igaboja

Wrinkled Tunicate ¹
Pyura haustor

Bristly Tunicate ⁸
Boltenia villosa

Taylor's Social Tunicate ¹⁰
Metandrocarpa taylori

Shiny Red Sea Squirt ¹¹
Cnemidocarpa finmarkiensis

Star Tunicate ¹²
Botryllus schlosseri

Chain tunicate ¹³
Botrylloides violaceus

Stalked Sea Squirt ¹³
Styela clava

Long-stalked Sea Squirt ¹⁴
Styela montereyensis

Mushroom Tunicate ¹³
Distaplia occidentalis

Yellow Social Ascidian ¹⁵
Pycnoclavella stanleyi

Lightbulb Tunicate ¹⁶
Clavelina huntsmani

Wrinkled Sea Mats ¹⁷
Didemnum

Pacific Sea Pork ¹⁸
Aplidium californicum

Aplidium solidum ¹⁹

Doliolula ²⁰

Pyrosoma atlanticum ²¹

Japanese False Cerith ²²
Batillaria attramentaria

Neostylidium eschrichtii ¹²

Wrinkled Amphissa ²³
Amphissa columbiana

Carinate Dovesnail ¹³
Alia carinata

Channeled Basket Snail ²⁴
Nassarius fossatus

Lean Western Nassa ²⁵
Nassarius mendicus

Dire Whelk ²⁶
Lirabuccinum dirum

Leafy Hornmouth ⁸
Ceratostoma foliatum

Japanese Oyster Drill ²⁷
Ocinebrellus inornatus

Channeled Dog Winkle ¹²
Nucella canaliculata

Wrinkled Purple ¹³
Nucella lamellosa

Striped Dogwinkle ²⁸
Nucella ostrina

Sculptured Rocksnail ²⁹
Paciocinebrina interfossa

Pear Marginella ³⁰
Granulina margaritula

Purple Dwarf Olive Snail ³¹
Olivella biplicata

Boreal Wentletrap ¹²
Opalia wroblewskyi

Chinese Mystery Snail ³²
Cipangopaludina chinensis

Oregon Hairy Triton Snail ³³
Fusitriton oregonensis

Checkered Periwinkle ³⁴
Littorina scutulata

Sitka Periwinkle ³⁵
Littorina sitkana

Marsenina stearnsii ³⁶

Limneria prolongata ³⁷

Pacific Half-slipper Snail ³⁴
Crepipatella lingulata

Hooked Slippersnail ³⁸
Crepidula adunca

Lewis's Moon Snail ³⁹
Neverita lewisii

Cancellate Hairysnail ¹
Trichotropis cancellata

Whitecap Limpet ³⁸
Acmaea mitra

Black Limpet ³⁸
Lottia asmi

Fingered Limpet Complex ³⁷
Lottia digitalis

Rocking Chair Limpet ³⁴
Lottia instabilis

Shield Limpet ¹²
Lottia pelta

Mask Limpet ⁴⁰
Lottia persona

Plate Limpet ¹³
Lottia scutum

Dark Doto ¹⁶
Doto kya

Dendronotus albopunctatus ⁴¹

White Dendronotus ³⁰
Dendronotus albus

Rainbow Nudibranch ⁴²
Dendronotus iris

Dendronotus kamchaticus ⁴³

Dendronotus robilliardi ⁴³

Dendronotus rufus ⁴¹

Branched Dendronotus ¹⁶
Dendronotus venustus

Lion's Mane Nudibranch ⁴⁴
Melibe leonina

Homely Aeolid ⁴⁵
Eubranchus rustyus

Eubranchus sanjuanensis ⁴⁶

Rose-pink Cuthona ¹⁶
Cuthona divae

Chocolate Aeolid ¹⁶
Cuthonella cocoachroma

White-crusted Aeolid ³⁰
Trinchesia albocrusta

Coryphella pseudoverrucosa ⁴³

predaceous aeolis ⁴²
Himatina trophina

Three-lined Aeolid ³⁰
Orienthella trilineata

Striped Nudibranch ⁴⁷
Armina californica

shag-rug nudibranch ¹²
Aeolidia loui

Common Grey Sea Slug ⁴⁸
Aeolidia papillosa

Thick-horned Nudibranch ³⁰
Hermissenda crassicornis

Opalescent Nudibranch ⁴⁹
Hermissenda opalescens

White-lined Dirona ⁵⁰
Dirona albolineata

golden dirona ¹⁰
Dirona pellucida

Colorful Dirona ¹⁶
Dirona picta

White-and-Orange-Tipped Nudibranch ⁵¹
Antiopella fusca

Diamondback Tritonia ¹³
Tritonia festiva

Tritonia tetraquetra ⁴⁶

Giant Orange Tochui ⁴²
Tochuina gigantea

Red Dorid ¹⁶
Rostanga pulchra

Heath's Dorid ⁴⁵
Geitodoris heathi

Diaulula lentiginosa ⁴⁶

Spotted Leopard Dorid ⁴⁴
Diaulula odonoghuei

San Diego Dorid ¹³
Diaulula sandiegensis

Sea Lemon ⁴⁴
Peltodoris nobilis

Monterey Doris ³⁰
Doris montereyensis

Giant White Doris ⁴²
Doris odhneri

Salt-and-pepper Doris ¹³
Aegires albopunctatus

Hudson's Horned Dorid ³⁰
Acanthodoris hudsoni

Orange-peel Dorid ⁵⁰
Acanthodoris lutea

Nanaimo Horned Dorid ⁵²
Acanthodoris nanaimoensis

Hairy Spiny Dorid ⁴²
Acanthodoris pilosa

Edited by Bob McDougall, some rights reserved (CC BY-SA)

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