A minute soft-bodied crab that lives inside the shell of a bivalve mollusc, where it filters food particles from the water drawn into the shell by its host.
- Family Pinnotheridae: Pinnotheres and other genera
More example sentences
- They described the occurrence of a pinnotherid crab, Pinnixa faba, the so-called pea crab, in association with its pelecypod host, Tresus capax.
- Thus, while the crabs cause no immediately life-threatening damage, the female pea crab - unable to survive outside its host once it becomes established - is by all other measures a true parasite.
- Pinnotheres ostreum, and P. pisum, pea crab, are remarkably small crabs which live out their lives inside the shells of oysters or mussels.
More definitions of pea crabDefinition of pea crab in:
- The US English dictionary