The Oregon Coast Aquarium Intertidal Species Guide

This guide is meant to assist participants in our BioBlitz events with making accurate identifications of the species they observe.

Whitecap Limpet 1
Acmaea mitra
Rough Keyhole Limpet 2
Diodora aspera
Opalescent Nudibranch 3
Hermissenda opalescens
Channeled Dog Winkle 1
Nucella canaliculata
Striped Dogwinkle 4
Nucella ostrina
Lurid Rocksnail 5
Ocinebrina lurida
Rough Keyhole Limpet 2
Diodora aspera
Owl Limpet
Lottia gigantea
Shield Limpet 7
Lottia pelta
Rough Limpet 5
Lottia scabra
Mask Limpet 8
Lottia persona
Rough Limpet 5
Lottia scabra
Fingered Limpet
Lottia digitalis
Nanaimo Horned Dorid 9
Acanthodoris nanaimoensis
Three-lined Aeolid 10
Flabellina trilineata
Common Grey Sea Slug 11
Aeolidia papillosa
White Dendronotus 10
Dendronotus albus
Monterey Doris 12
Doris montereyensis
San Diego Dorid 2
Diaulula sandiegensis
False Sea Lemon 13
Peltodoris nobilis
Yellow-edged Cadlina 14
Cadlina luteomarginata
Thick-horned Nudibranch 10
Hermissenda crassicornis
Red Dorid 14
Rostanga pulchra
Sea Clown Triopha 9
Triopha catalinae
Painted Wentletrap 1
Epitonium tinctum
Wrinkled Amphissa 17
Amphissa columbiana
Channeled Topsnail 2
Calliostoma canaliculatum
Blue-Ringed Top Snail 1
Calliostoma ligatum
Jeweled Top Snail 6
Calliostoma annulatum
Black Tegula 6
Tegula funebralis
Leafy Hornmouth
Ceratostoma foliatum
Dire Whelk 16
Lirabuccinum dirum
Channeled Dog Winkle 1
Nucella canaliculata
Striped Dogwinkle 4
Nucella ostrina
Wrinkled Purple 2
Nucella lamellosa
Lurid Rocksnail 5
Ocinebrina lurida

Edited by Ian Throckmorton, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
  • 2. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
  • 3. (c) Ken Bondy, some rights reserved (CC BY-NC-SA)
  • 4. (c) Rosa Laucci, some rights reserved (CC BY-NC), uploaded by Rosa Laucci
  • 5. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
  • 6. (c) Femorale, some rights reserved (CC BY-NC)
  • 7. (c) Gena Bentall, some rights reserved (CC BY-NC), uploaded by Gena Bentall
  • 8. (c) Sarka Martinez, some rights reserved (CC BY-NC), uploaded by Sarka Martinez
  • 9. (c) amy lemur, some rights reserved (CC BY-NC-ND)
  • 10. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
  • 11. (c) lhillmann, some rights reserved (CC BY-NC)
  • 12. (c) Ken-ichi Ueda, some rights reserved (CC BY)
  • 13. (c) Robin Agarwal (ANudibranchMom on iNaturalist), some rights reserved (CC BY-NC)
  • 14. (c) matt knoth, some rights reserved (CC BY-NC-ND)
  • 15. (c) Minette Layne, some rights reserved (CC BY-SA)
  • 16. (c) Paul Norwood, some rights reserved (CC BY-NC), uploaded by Paul Norwood
  • 17. (c) EcologyWA, some rights reserved (CC BY-NC)