. . . "EN" . . "IUCN2.3" . . "Parapinnixa affinis, the California Bay pea crab, is a species of pinnotherid crab endemic to Southern California. It is a small crab that lives commensally in the tube of a tube-dwelling worm. It was described in 1900, and is one of only two marine crustaceans to be included on the IUCN Red List."@en . . . "Parapinnixa affinis"@en . .