Offline access enabled

Northern California Rocky Intertidal Species

Rocky intertidal species from Del Norte County to San Mateo County.

All 329

Cryptic Kelp Crab ¹
Pugettia richii

Pacific Rock Crab ²
Romaleon antennarium

Red Rock Crab ³
Cancer productus

Umbrella Crab ¹
Cryptolithodes sitchensis

Pacific Sand Crab ⁴
Emerita analoga

Grainy Hermit Crab ⁵
Pagurus granosimanus

Hairy Hermit Crab ⁶
Pagurus hirsutiusculus

Blueband Hermit Crab ⁷
Pagurus samuelis

flat porcelain crab ⁸
Petrolisthes cinctipes

Flattop Crab ⁶
Petrolisthes eriomerus

chocolate porcelain crab ⁹
Petrolisthes manimaculis

pubescent porcelain crab ¹⁰
Pachycheles pubescens

Thickclaw Porcelain Crab ¹¹
Pachycheles rudis

Bay Ghost Shrimp ¹²
Neotrypaea californiensis

Broken-back shrimp ¹³
Heptacarpus

California Spiny Lobster ¹⁴
Panulirus interruptus

Gammarid Amphipods ¹⁵
Gammaridea

Caprella ¹⁶

California Beach Flea ¹⁷
Megalorchestia californiana

Harford's Isopod ¹⁸
Cirolana harfordi

Idotea fewkesi ¹⁰

Eelgrass isopod ⁵
Idotea resecata

Seaweed Isopod ¹⁰
Idotea stenops

Blunt-tailed Isopod ¹⁸
Idotea urotoma

Rockweed isopod ¹⁹
Pentidotea wosnesenskii

Western Sea Roach ²⁰
Ligia occidentalis

Polychaetes ²¹
Polychaeta

feather duster worm ⁹
Schizobranchia insignis

serpulid worm ²²
Serpula columbiana

Spirorbis ²³

Sandcastle Worm ²⁴
Phragmatopoma californica

Fringed Filament Worm ²⁵
Dodecaceria fewkesi

Nereis ²⁶

Platynereis bicanaliculata ¹

Alitta brandti ²⁷

Eighteen-scaled Worm ²⁷
Halosydna brevisetosa

Strawberry Anemone ²⁸
Corynactis californica

Orange Cup Coral ²⁷
Balanophyllia elegans

Halcampa crypta ¹⁰

Ten-tentacled Burrowing Anemone ²⁷
Halcampa decemtentaculata

Stubby Rose Anemone
Urticina coriacea

Christmas Anemone ¹⁰
Urticina crassicornis

Moonglow Anemone ²⁷
Anthopleura artemisia

Aggregating Anemone ²⁹
Anthopleura elegantissima

Starburst Anemone ³⁰
Anthopleura sola

Giant Green Anemone ³¹
Anthopleura xanthogrammica

Brooding Anemone ¹²
Epiactis prolifera

Pink-mouth Hydroid ²⁷
Ectopleura marina

Purple Encrusting Hydrocoral ²²
Stylantheca papillosa

By-the-wind-sailor ³²
Velella velella

Coarse Sea Fir Hydroids ²⁷
Abietinaria

Ostrich-Plume Hydroids ³³
Aglaophenia

Eccentric Sand Dollar
Dendraster excentricus

Red Sea Urchin ³⁴
Strongylocentrotus franciscanus

Purple Sea Urchin ²⁴
Strongylocentrotus purpuratus

Scarlet Dwarf Sea Cucumber ⁹
Lissothuria nutriens

Stiff-footed sea cucumber ²⁷
Eupentacta quinquesemita

Orange Sea Cucumber ²⁵
Cucumaria miniata

Six-rayed stars ³⁵
Leptasterias

Rainbow Star ²⁷
Orthasterias koehleri

Sunflower Sea Star ³⁶
Pycnopodia helianthoides

Giant Pink Sea Star ⁷
Pisaster brevispinus

Giant Sea Star ³⁷
Pisaster giganteus

Ochre Sea Star ³⁸
Pisaster ochraceus

Henricia spp. ²⁸
Henricia

Pacific blood star ⁷
Henricia leviuscula

Leather Star ³⁵
Dermasterias imbricata

Bat Star ³⁵
Patiria miniata

Western Spiny Brittle Star ¹
Ophiothrix spiculata

Long-armed Brittle Star ³⁵
Amphiodia occidentalis

Esmark's brittle star ²⁷
Ophioplocus esmarki

Daisy Brittle Star ³⁵
Ophiopholis kennerlyi

Pacific Peanut Worm ³⁵
Phascolosoma agassizii

Bread-crumb Sponge ¹⁶
Halichondria panicea

Haliclona ³⁹

Suberites ⁴⁰

Sulphur Boring Sponge ⁴¹
Cliona celata

Clathria originalis ¹⁹

smooth urn sponge ¹⁰
Leucilla nuttingi

Red Ribbon Worm ²⁸
Tubulanus polymorphus

Six-lined Ribbon Worm ⁴²
Tubulanus sexlineatus

purple ribbon worm ¹⁰
Paranemertes peregrina

Pseudoceros canadensis ²⁷

Notocomplana acticola ²²

California Flatworm ²⁸
Stylochus californicus

Edited by Alison Young, some rights reserved (CC BY-SA)

Photo Credits

1. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
2. (c) ashley1122, some rights reserved (CC BY-NC)
3. (c) Sonia W., some rights reserved (CC BY-NC), uploaded by Sonia W.
4. (c) Zen Faulkes, some rights reserved (CC BY-NC)
5. (c) Susannah Anderson, some rights reserved (CC BY-NC-ND)
6. (c) marlin harms, some rights reserved (CC BY)
7. (c) Jerry Kirkhart, some rights reserved (CC BY)
8. (c) Don Loarie, some rights reserved (CC BY-NC-SA)
9. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
10. (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young
11. (c) Marisa Agarwal, some rights reserved (CC BY-NC), uploaded by Marisa Agarwal
12. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
13. (c) Paul Norwood, some rights reserved (CC BY-NC), uploaded by Paul Norwood
14. (c) Klaus Stiefel, some rights reserved (CC BY-NC)
15. (c) Sarka Martinez, some rights reserved (CC BY-NC), uploaded by Sarka Martinez
16. (c) WoRMS for SMEBD, some rights reserved (CC BY-NC-SA)
17. (c) Ingrid Taylar, some rights reserved (CC BY)
18. no rights reserved
19. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
20. (c) stonebird, some rights reserved (CC BY-NC-SA)
21. (c) sarah faulwetter, some rights reserved (CC BY-NC-SA)
22. (c) Rebecca Johnson, some rights reserved (CC BY-NC), uploaded by Rebecca Johnson
23. (c) Magnus Hagdorn, some rights reserved (CC BY-SA)
24. (c) kqedquest, some rights reserved (CC BY-NC)
25. (c) 2005 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
26. (c) Alexander Semenov, some rights reserved (CC BY)
27. (c) Ken-ichi Ueda, some rights reserved (CC BY)
28. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy
29. (c) Richard Droker, some rights reserved (CC BY-NC-ND)
30. (c) Ed Bierman, some rights reserved (CC BY)
31. (c) Stephen Bentsen, some rights reserved (CC BY-NC-ND)
32. (c) Keith Daly, some rights reserved (CC BY-NC-SA)
33. (c) Vishal Bhave, some rights reserved (CC BY-NC-SA), uploaded by Vishal Bhave
34. (c) rebafay, some rights reserved (CC BY-NC), uploaded by rebafay
35. (c) Don Loarie, some rights reserved (CC BY)
36. (c) Steven W. Calvert, some rights reserved (CC BY-NC-SA), uploaded by Steven W. Calvert
37. (c) Daniel Johnson, some rights reserved (CC BY-NC-SA)
38. (c) Steven Pavlov, some rights reserved (CC BY-SA)
39. (c) Ria Tan, some rights reserved (CC BY-NC-ND)
40. (c) http://www.guidopicchetti.it, some rights reserved (CC BY-SA)
41. (c) Christophe Quintin, some rights reserved (CC BY-NC)
42. (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien

Member of the iNaturalist Network | Powered by iNaturalist open source software | Documentation for developers