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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.

False Sea Lemon 1
Peltodoris nobilis
Yellow-edged Cadlina 2
Cadlina luteomarginata
Thick-horned Nudibranch 3
Hermissenda crassicornis
White-and-Orange-Tipped Nudibranch 4
Janolus fuscus
Red Dorid 2
Rostanga pulchra
Sea Clown Triopha 5
Triopha catalinae
Painted Wentletrap 6
Epitonium tinctum
Neostylidium eschrichtii 7
Wrinkled Amphissa 8
Amphissa columbiana
Channeled Topsnail 9
Calliostoma canaliculatum
Blue-Ringed Top Snail 6
Calliostoma ligatum
Jeweled Top Snail 10
Calliostoma annulatum
Black Tegula 10
Tegula funebralis
Bread-crumb Sponge 11
Halichondria panicea
Ophlitaspongia pennata
Bat Star 12
Patiria miniata
Pacific Blood Star 13
Henricia leviuscula
Six-rayed Star 2
Leptasterias hexactis
Ochre Sea Star 14
Pisaster ochraceus
Leather Star 15
Dermasterias imbricata
Sunflower Sea Star 7
Pycnopodia helianthoides
Leafy Hornmouth
Ceratostoma foliatum
Dire Whelk 7
Lirabuccinum dirum
Channeled Dog Winkle 6
Nucella canaliculata
Striped Dogwinkle 16
Nucella ostrina
Wrinkled Purple 9
Nucella lamellosa
Lurid Rocksnail 15
Ocinebrina lurida
Fringed Filament Worm 17
Dodecaceria fewkesi
Giant Feather Duster Worm 6
Eudistylia polymorpha
green ribbon worm 18
Emplectonema gracile
Northern Feather Duster Worm 19
Eudistylia vancouveri
Pista elongata 20
Nereis vexillosa 21
Thelepus crispus
Red Ribbon Worm 12
Tubulanus polymorphus
Serpula columbiana 22

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

Photo Credits

  • 1. (c) Robin Agarwal (ANudibranchMom on iNaturalist), some rights reserved (CC BY-NC)
  • 2. (c) matt knoth, some rights reserved (CC BY-NC-ND)
  • 3. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
  • 4. (c) Minette Layne, some rights reserved (CC BY-SA)
  • 5. (c) amy lemur, some rights reserved (CC BY-NC-ND)
  • 6. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
  • 7. (c) Paul Norwood, some rights reserved (CC BY-NC), uploaded by Paul Norwood
  • 8. (c) EcologyWA, some rights reserved (CC BY-NC)
  • 9. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
  • 10. (c) Femorale, some rights reserved (CC BY-NC)
  • 11. (c) WoRMS for SMEBD, some rights reserved (CC BY-NC-SA)
  • 12. (c) Don Loarie, some rights reserved (CC BY)
  • 13. (c) Jerry Kirkhart, some rights reserved (CC BY)
  • 14. (c) Steven Pavlov, some rights reserved (CC BY-SA)
  • 15. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
  • 16. (c) Rosa Laucci, some rights reserved (CC BY-NC), uploaded by Rosa Laucci
  • 17. (c) 2005 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
  • 18. (c) Alfonso Herrera Bachiller, some rights reserved (CC BY-NC-SA)
  • 19. (c) Luke McGuff, some rights reserved (CC BY-ND)
  • 20. (c) BIO Photography Group. Biodiversity Institute of Ontario., some rights reserved (CC BY-NC-SA)
  • 21. (c) Lynette Schimming, some rights reserved (CC BY-NC-SA)
  • 22. (c) Rebecca Johnson, some rights reserved (CC BY-NC), uploaded by Rebecca Johnson

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