Northern California Rocky Intertidal Species

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

Sea Spiders 1
Pycnogonida
Goose Barnacle 3
Pollicipes polymerus
Pink Acorn Barnacle 4
Tetraclita rubescens
little brown barnacle
Chthamalus dalli
Thatched Barnacle 5
Semibalanus cariosus
California Barnacle 6
Megabalanus californicus
Acorn Barnacle 7
Balanus glandula
Giant Acorn Barnacle 8
Balanus nubilus
Striped Shore Crab 9
Pachygrapsus crassipes
Purple Shore Crab 10
Hemigrapsus nudus
Yellow Shore Crab
Hemigrapsus oregonensis
Blackclaw Crestleg Crab 8
Lophopanopeus bellus
Foliate Kelp Crab 8
Pugettia foliata
Graceful Kelp Crab
Pugettia gracilis
Northern Kelp Crab
Pugettia producta
Cryptic Kelp Crab 8
Pugettia richii
Pacific Rock Crab 11
Romaleon antennarium
Red Rock Crab 12
Cancer productus
Umbrella Crab 8
Cryptolithodes sitchensis
Pacific Sand Crab 13
Emerita analoga
Grainy Hermit Crab 14
Pagurus granosimanus
Hairy Hermit Crab 15
Pagurus hirsutiusculus
Blueband Hermit Crab 9
Pagurus samuelis
flat porcelain crab 16
Petrolisthes cinctipes
Flattop Crab 15
Petrolisthes eriomerus
chocolate porcelain crab 1
Petrolisthes manimaculis
pubescent porcelain crab 4
Pachycheles pubescens
Thickclaw Porcelain Crab 17
Pachycheles rudis
Bay Ghost Shrimp 18
Neotrypaea californiensis
Broken-back shrimp 19
Heptacarpus
California Spiny Lobster 20
Panulirus interruptus
California Beach Flea 23
Megalorchestia californiana
Harford's Isopod 24
Cirolana harfordi
Eelgrass isopod 14
Idotea resecata
Seaweed Isopod 4
Idotea stenops
Blunt-tailed Isopod 24
Idotea urotoma
Rockweed isopod 25
Pentidotea wosnesenskii
Western Sea Roach 26
Ligia occidentalis

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

Photo Credits

  • 1. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
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  • 4. (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young
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  • 17. (c) Marisa Agarwal, some rights reserved (CC BY-NC), uploaded by Marisa Agarwal
  • 18. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
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