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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.

Opalescent Nudibranch 1
Hermissenda opalescens
Nanaimo Horned Dorid 2
Acanthodoris nanaimoensis
Three-lined Aeolid 3
Flabellina trilineata
Common Grey Sea Slug 4
Aeolidia papillosa
White Dendronotus 3
Dendronotus albus
Monterey Doris 5
Doris montereyensis
San Diego Dorid 6
Diaulula sandiegensis
False Sea Lemon 7
Peltodoris nobilis
Yellow-edged Cadlina 8
Cadlina luteomarginata
Thick-horned Nudibranch 3
Hermissenda crassicornis
White-and-Orange-Tipped Nudibranch 9
Janolus fuscus
Red Dorid 8
Rostanga pulchra
Sea Clown Triopha 2
Triopha catalinae

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

Photo Credits

  • 1. (c) Ken Bondy, some rights reserved (CC BY-NC-SA)
  • 2. (c) amy lemur, some rights reserved (CC BY-NC-ND)
  • 3. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
  • 4. (c) lhillmann, some rights reserved (CC BY-NC)
  • 5. (c) Ken-ichi Ueda, some rights reserved (CC BY)
  • 6. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
  • 7. (c) Robin Agarwal (ANudibranchMom on iNaturalist), some rights reserved (CC BY-NC)
  • 8. (c) matt knoth, some rights reserved (CC BY-NC-ND)
  • 9. (c) Minette Layne, some rights reserved (CC BY-SA)

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