pea crab


noun

any of several tiny crabs of the family Pinnotheridae, the female of which lives as a commensal in the shells of bivalve mollusks.

Origin of pea crab

First recorded in 1830–40

Example sentences from the Web for pea crab

British Dictionary definitions for pea crab

pea crab

noun

any of various globular soft-bodied crabs of the genus Pinnotheres and related genera that live commensally in the mantles of certain bivalves