The Oregon Coast Aquarium Intertidal Species Guide

Giant Green Anemone
Anthopleura xanthogrammica 1
Ochre Sea Star
Pisaster ochraceus 2
Aggregating Anemone
Anthopleura elegantissima 3
Acorn Barnacle
Balanus glandula 4
Gooseneck Barnacle
Pollicipes polymerus
Giant Acorn Barnacle
Balanus nubilus 5
Thatched Barnacle
Semibalanus cariosus 6
By-the-wind Sailor
Velella velella 7
Styela montereyensis
Styela montereyensis 8
Dungeness Crab
Metacarcinus magister 9
Gumboot Chiton
Cryptochiton stelleri 10
leather bryozoan
Flustrellidra corniculata
Black Leather Chiton
Katharina tunicata 11
Purple Shore Crab
Hemigrapsus nudus 12
Striped Shore Crab
Pachygrapsus crassipes 13
Whitecap Limpet
Acmaea mitra 14
California Mussel
Mytilus californianus 15
Rough Keyhole Limpet
Diodora aspera 16
Opalescent Nudibranch
Hermissenda opalescens 17
Ophlitaspongia pennata
Ophlitaspongia pennata
Sunflower Sea Star
Pycnopodia helianthoides 18
Red Sea Urchin
Strongylocentrotus franciscanus 14
Pacific Purple Sea Urchin
Strongylocentrotus purpuratus 19
Channeled Dog Winkle
Nucella canaliculata 14
Striped Dogwinkle
Nucella ostrina 20
Lurid Rocksnail
Ocinebrina lurida 21
Callithamnion pikeanum
Callithamnion pikeanum 6
Giant Feather Duster Worm
Eudistylia polymorpha 14
Turkish Towel
Chondracanthus exasperatus 22
Cryptopleura lobulifera
Cryptopleura lobulifera 23
Sea Sacks
Halosaccion glandiforme 24
Mazzaella flaccida
Mazzaella flaccida 25
Mazzaella linearis
Mazzaella linearis 26
green rope
Acrosiphonia coalita 27
Green pin-cushion alga
Cladophora columbiana 28
Sea Lettuce
Ulva lactuca 29
Southern stiff-stiped kelp
Laminaria setchellii 30
Dead Man's Fingers
Codium fragile 15
Ulva fenestrata
Ulva fenestrata 20
Sea Palm
Postelsia 31
Moonglow Anemone
Anthopleura artemisia 32
Giant Green Anemone
Anthopleura xanthogrammica 1
Brooding Anemone
Epiactis prolifera 33
Acorn Barnacle
Balanus glandula 4
Giant Acorn Barnacle
Balanus nubilus 5
Aggregating Anemone
Anthopleura elegantissima 3
Christmas Anemone
Urticina crassicornis 34
Gooseneck Barnacle
Pollicipes polymerus
Thatched Barnacle
Semibalanus cariosus 6
leather bryozoan
Flustrellidra corniculata
Styela montereyensis
Styela montereyensis 8
California Spiny Chiton
Nuttallina californica 16
Gumboot Chiton
Cryptochiton stelleri 10
Gould's baby chiton
Lepidochitona dentiens 16
By-the-wind Sailor
Velella velella 7
Woody Chiton
Mopalia lignosa 10
Mossy Chiton
Mopalia muscosa 35
Black Leather Chiton
Katharina tunicata 11
Lined Chiton
Tonicella lineata 36
Hairy Chiton
Mopalia ciliata 37
Veiled Chiton
Placiphorella velata 16
Pacific Rock Crab
Romaleon antennarium 38
Dungeness Crab
Metacarcinus magister 9
Pygmy Rock Crab
Glebocarcinus oregonensis
Striped Shore Crab
Pachygrapsus crassipes 13
Red Rock Crab
Cancer productus 14
Purple Shore Crab
Hemigrapsus nudus 12
pubescent porcelain crab
Pachycheles pubescens 16
Yellow Shore Crab
Hemigrapsus oregonensis 14
Thickclaw Porcelain Crab
Pachycheles rudis 33
Bering Hermit
Pagurus beringanus 18
Grainy Hermit Crab
Pagurus granosimanus 39
Hairy Hermit Crab
Pagurus hirsutiusculus 40
Blueband Hermit Crab
Pagurus samuelis 10
Flat Porcelain Crab
Petrolisthes cinctipes 41
Graceful Kelp Crab
Pugettia gracilis
Northern Kelp Crab
Pugettia producta
Cryptic Kelp Crab
Pugettia richii 5
Harford's Isopod
Cirolana harfordi 28
Common Rock Louse
Ligia pallasii 38
Rockweed isopod
Pentidotea wosnesenskii 42
Eelgrass Isopod
Idotea resecata 39
Small Isopod
Synidotea bicuspida
Seaweed Isopod
Idotea stenops 43
Rough Keyhole Limpet
Diodora aspera 16
Lottia asmi
Lottia asmi 44
Owl Limpet
Lottia gigantea
Shield Limpet
Lottia pelta 45
Rough Limpet
Lottia scabra 21
Mask Limpet
Lottia persona 46
Rough Limpet
Lottia scabra 21
Fingered Limpet
Lottia digitalis
California Mussel
Mytilus californianus 15
Northern Bay Mussel
Mytilus trossulus 47
Nanaimo Horned Dorid
Acanthodoris nanaimoensis 48
Three-lined Aeolid
Flabellina trilineata 5
Common Grey Sea Slug
Aeolidia papillosa 49
White Dendronotus
Dendronotus albus 5
Monterey Doris
Doris montereyensis 32
San Diego Dorid
Diaulula sandiegensis 16
False Sea Lemon
Peltodoris nobilis 50
Yellow-edged Cadlina
Cadlina luteomarginata 51
Thick-horned Nudibranch
Hermissenda crassicornis 5
White-and-Orange-Tipped Nudibranch
Janolus fuscus 34
Red Dorid
Rostanga pulchra 51
Sea Clown Triopha
Triopha catalinae 48
Painted Wentletrap
Epitonium tinctum 14
Neostylidium eschrichtii
Neostylidium eschrichtii 18
Wrinkled Amphissa
Amphissa columbiana 52
Channeled Topsnail
Calliostoma canaliculatum 16
Blue-Ringed Top Snail
Calliostoma ligatum 14
Jeweled Top Snail
Calliostoma annulatum 44
Black Tegula
Tegula funebralis 44
Bread-crumb Sponge
Halichondria panicea 53
Ophlitaspongia pennata
Ophlitaspongia pennata
Bat Star
Patiria miniata 10
Pacific Blood Star
Henricia leviuscula 8
Six-rayed Star
Leptasterias hexactis 51
Ochre Sea Star
Pisaster ochraceus 2
Leather Star
Dermasterias imbricata 21
Sunflower Sea Star
Pycnopodia helianthoides 18
Leafy Hornmouth
Ceratostoma foliatum
Dire Whelk
Lirabuccinum dirum 18
Channeled Dog Winkle
Nucella canaliculata 14
Striped Dogwinkle
Nucella ostrina 20
Wrinkled Purple
Nucella lamellosa 16
Lurid Rocksnail
Ocinebrina lurida 21
Fringed Filament Worm
Dodecaceria fewkesi 54
Giant Feather Duster Worm
Eudistylia polymorpha 14
green ribbon worm
Emplectonema gracile 55
Northern Feather Duster Worm
Eudistylia vancouveri 56
Pista elongata
Pista elongata 57
Nereis vexillosa
Nereis vexillosa 58
Thelepus crispus
Thelepus crispus
Red Ribbon Worm
Tubulanus polymorphus 10
Serpula columbiana
Serpula columbiana 59
Photos:
  • 1. (c) Stephen Bentsen, some rights reserved (CC BY-NC-ND)
  • 2. (c) Steven Pavlov, some rights reserved (CC BY-SA)
  • 3. (c) Richard Droker, some rights reserved (CC BY-NC-ND)
  • 4. (c) John D Reynolds, some rights reserved (CC BY-NC), uploaded by John D Reynolds
  • 5. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
  • 6. (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young
  • 7. (c) Keith Daly, some rights reserved (CC BY-NC-SA)
  • 8. (c) Jerry Kirkhart, some rights reserved (CC BY)
  • 9. (c) hj_west, some rights reserved (CC BY-SA)
  • 10. (c) Don Loarie, some rights reserved (CC BY)
  • 11. (c) Images by John 'K', some rights reserved (CC BY-NC-ND)
  • 12. (c) Dan Hershman, some rights reserved (CC BY)
  • 13. (c) Peter D. Tillman, some rights reserved (CC BY-SA)
  • 14. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
  • 15. (c) tsoleau, some rights reserved (CC BY-NC-ND)
  • 16. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
  • 17. (c) Ken Bondy, some rights reserved (CC BY-NC-SA)
  • 18. (c) Paul Norwood, some rights reserved (CC BY-NC), uploaded by Paul Norwood
  • 19. (c) Sarka Martinez, some rights reserved (CC BY-NC-SA), uploaded by Sarka Martinez
  • 20. (c) Rosa Laucci, some rights reserved (CC BY-NC), uploaded by Rosa Laucci
  • 21. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien
  • 22. (c) 101595408250610106310, some rights reserved (CC BY), uploaded by 101595408250610106310
  • 23. (c) Judith Bush, some rights reserved (CC BY-SA), uploaded by Judith Bush
  • 24. (c) anyoung78, some rights reserved (CC BY-NC), uploaded by anyoung78
  • 25. (c) faerthen, some rights reserved (CC BY-NC), uploaded by faerthen
  • 26. (c) Gary W. Saunders, University of New Brunswick, some rights reserved (CC BY-NC-SA)
  • 27. (c) Brianne Nelson, some rights reserved (CC BY-NC), uploaded by Brianne Nelson
  • 28. no rights reserved
  • 29. (c) lesismore, some rights reserved (CC BY-NC), uploaded by lesismore
  • 30. (c) Bill Bouton, some rights reserved (CC BY-SA)
  • 31. (c) Peter Gorman, some rights reserved (CC BY-NC-SA)
  • 32. (c) Ken-ichi Ueda, some rights reserved (CC BY)
  • 33. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
  • 34. (c) Minette Layne, some rights reserved (CC BY-SA)
  • 35. (c) Sarah Chinn, some rights reserved (CC BY-NC), uploaded by Sarah Chinn
  • 36. (c) Matt Knoth, some rights reserved (CC BY)
  • 37. (c) pliffgrieff, some rights reserved (CC BY-NC)
  • 38. no rights reserved, uploaded by Scott Loarie
  • 39. (c) Susannah Anderson, some rights reserved (CC BY-NC-ND)
  • 40. (c) marlin harms, some rights reserved (CC BY)
  • 41. (c) Don Loarie, some rights reserved (CC BY-NC-SA)
  • 42. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
  • 43. (c) Tony Iwane, some rights reserved (CC BY-NC), uploaded by Tony Iwane
  • 44. (c) Femorale, some rights reserved (CC BY-NC)
  • 45. (c) Gena Bentall, some rights reserved (CC BY-NC), uploaded by Gena Bentall
  • 46. (c) Sarka Martinez, some rights reserved (CC BY-NC), uploaded by Sarka Martinez
  • 47. (c) catchang, some rights reserved (CC BY-NC), uploaded by catchang
  • 48. (c) amy lemur, some rights reserved (CC BY-NC-ND)
  • 49. (c) lhillmann, some rights reserved (CC BY-NC)
  • 50. (c) Robin Agarwal (ANudibranchMom on iNaturalist), some rights reserved (CC BY-NC)
  • 51. (c) matt knoth, some rights reserved (CC BY-NC-ND)
  • 52. (c) EcologyWA, some rights reserved (CC BY-NC)
  • 53. (c) WoRMS for SMEBD, some rights reserved (CC BY-NC-SA)
  • 54. (c) 2005 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
  • 55. (c) Alfonso Herrera Bachiller, some rights reserved (CC BY-NC-SA)
  • 56. (c) Luke McGuff, some rights reserved (CC BY-ND)
  • 57. (c) BIO Photography Group. Biodiversity Institute of Ontario., some rights reserved (CC BY-NC-SA)
  • 58. (c) Lynette Schimming, some rights reserved (CC BY-NC-SA)
  • 59. (c) Rebecca Johnson, some rights reserved (CC BY-NC), uploaded by Rebecca Johnson

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

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