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Paralithodes californiensis, also known as the spiny king crab and the California king crab, is a species of king crab [1] [2] [3] It is closely related to P. rathbuni with the same common names being used for the two and some authorities suggest that they might be conspecific. [4]
"A GUIDE TO THE TERRESTRIAL ISOPODS OF COASTAL CALIFORNIA" (PDF) Wood, Hulton B.; Samuel W. James (April 1993). Native and Introduced Earthworms from Selected Chaparral, Woodland, and Riparian Zones in Southern California (PDF) (Report).
The California rock crab fishery is made up of three species - the yellow rock crab (C. anthonyi), the brown rock crab (R. antennarium), and the red rock crab (C. productus). Rock crab landings for 1999 were 790,000 pounds and have averaged 1.2 million pounds per year from 1991-1999.
Romaleon antennarium Stimpson, 1856 Pacific, brown or California rock crab: North America. Romaleon branneri Rathbun, 1926 Furrowed rock crab: Granite Cove, Port Althorp, Alaska, to Santa Catalina Islands, California Romaleon gibbosulum De Haan, 1833: Japan to North China and Korea Romaleon jordani Rathbun, 1900 Hairy Rock Crab: Pacific coast
The phylogeny of king crabs as hermit crabs who underwent secondary calcification and left their shell has been suspected since the late 1800s. [4] They are believed to have originated during the Early Miocene in shallow North Pacific waters, where most king crab genera – including all Hapalogastrinae – are distributed and where they exhibit a high amount of morphological diversity.
The Puget Sound king crab (Echidnocerus cibarius), is a species of king crab which inhabits the oceans of the Pacific coast of North America from Alaska to central California. Adults are orange, red and purple in color, while juveniles are either mostly orange or have small blotches of red and purple.
Parapinnixa affinis, the California Bay pea crab, is a species of pinnotherid crab endemic to Southern California. [1] It is a small crab that lives commensally in the tube of a tube-dwelling worm. It was one of the first marine crustaceans to be included on the IUCN Red List in 1996.
Pagurus hirsutiusculus is a species of hermit crab, commonly called the hairy hermit crab. It lives from the Bering Strait south to California and Japan , from the intertidal zone to a depth of 110 m (360 ft).