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Photo of a Striped Shore Crab

Species profile

Striped Shore Crab

Pachygrapsus crassipes

Crabs/lobsters/shrimp30.9K iNat observations

At a glance

Striped Shore Crab (Pachygrapsus crassipes) is a crustacean with specific harvest rules tracked in 1 of 65 jurisdictions covered by CatchRules.

Confirmed by 29,669 research-grade iNaturalist observations, with California, Oregon, and Washington the top jurisdictions by observation count.

Notable details

  • Unlike most crabs, it can walk both forward and sideways due to its grapsid body plan.
  • Its carapace reaches about 4.5 cm (1.8 inches) wide.
  • Semi-terrestrial, it survives hours out of water by retaining moisture in its gill chambers.
  • Ranges from Oregon south through Baja California and into the Gulf of California.
  • An omnivore, it grazes algae and scavenges small invertebrates across rocky intertidal zones.

Background

Pachygrapsus crassipes, the striped shore crab or lined shore crab, is a small crab found on both rocky and hard-mud soft seashores of the northeastern and northwestern Pacific Ocean. In North America, this species occurs from central Oregon, south through California to near Ensenada, Baja California, Mexico. There is an isolated population with a wide range disjunction at Bamfield on Vancouver…

Background excerpt adapted from Wikipedia's Striped Shore Crab article (CC BY-SA). Visit Wikipedia for the full entry.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.