Tidepooling the north coast of the Olympic Peninsula, USA

Blackclaw Crestleg Crab 1
Lophopanopeus bellus
Sharpnose Crab 2
Scyra acutifrons
Foliate Kelp Crab 1
Pugettia foliata
Graceful Kelp Crab
Pugettia gracilis
Northern Kelp Crab
Pugettia producta
Cryptic Kelp Crab 1
Pugettia richii
Graceful Decorator Crab
Oregonia gracilis
Helmet Crab 3
Telmessus cheiragonus
Graceful Rock Crab 4
Metacarcinus gracilis
Dungeness Crab 5
Metacarcinus magister
Pygmy Rock Crab
Glebocarcinus oregonensis
Red Rock Crab 6
Cancer productus
Striped Shore Crab 7
Pachygrapsus crassipes
Purple Shore Crab 8
Hemigrapsus nudus
Yellow Shore Crab
Hemigrapsus oregonensis
Gaper Pea Crab
Pinnixa littoralis
Puget Sound King Crab
Lopholithodes mandtii
Umbrella Crab 1
Cryptolithodes sitchensis
Hairy Crab 9
Hapalogaster mertensii
Bering Hermit 9
Pagurus beringanus
Grainy Hermit Crab 10
Pagurus granosimanus
Maroon Hermit 11
Pagurus hemphilli
Hairy Hermit Crab 12
Pagurus hirsutiusculus
Flat Porcelain Crab 13
Petrolisthes cinctipes
Flattop Crab 12
Petrolisthes eriomerus
Thickclaw Porcelain Crab 2
Pachycheles rudis
American Lobster 14
Homarus americanus
Stout Coastal Shrimp 9
Heptacarpus brevirostris
Blue Mud Shrimp
Upogebia pugettensis
Sea Lettuce Sea Flea 15
Ampithoe lacertosa
California Beach Flea 16
Megalorchestia californiana
Blunt-tailed Isopod 17
Idotea urotoma
Rockweed isopod 18
Pentidotea wosnesenskii
Gooseneck Barnacle
Pollicipes polymerus
Little Brown Barnacle
Chthamalus dalli
Thatched Barnacle 21
Semibalanus cariosus
Bay Barnacle 22
Amphibalanus improvisus
Wrinkled Barnacle 20
Balanus crenatus
Acorn Barnacle 23
Balanus glandula
Giant Acorn Barnacle 1
Balanus nubilus

Edited by T Lasswell, 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) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
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  • 23. (c) Joshua Tewksbury, some rights reserved (CC BY-NC-SA), uploaded by Joshua Tewksbury