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Related to pea crab: oyster crab
(Animals) any of various globular soft-bodied crabs of the genus Pinnotheres and related genera that live commensally in the mantles of certain bivalves
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|Noun||1.||pea crab - tiny soft-bodied crab living commensally in the mantles of certain bivalve mollusks|
crab - decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers