pea crab


Also found in: Thesaurus, Wikipedia.
Related to pea crab: oyster crab

pea crab

n
(Animals) any of various globular soft-bodied crabs of the genus Pinnotheres and related genera that live commensally in the mantles of certain bivalves
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
genus Pinnotheres, Pinnotheres - type genus of the family Pinnotheridae: pea crabs
oyster crab, Pinnotheres ostreum - tiny soft-bodied crab living within the mantle cavity of oysters
References in periodicals archive ?
ABSTRACT The oyster pea crab Zaops ostreum (Say, 1817), is a parasite of the eastern oyster Crassostrea virginica Gmelin (1791).
KEY WORDS: Zaops ostreum, pea crab, oyster, Crassostrea virginica, mussels, condition index, parasite-host interactions
Polychaetes, crangonid shrimp, pea crab, and clams were the most frequently found prey items in Pacific cod stomachs (Table 1).
The smallest is the pea crab, which is only 1/2 inch wide.
The correct information is: there are more than 4400 species of crabs, crabs have hard shells over soft bodies, they do eat dead things, the Pea crab is the smallest crab, crabs have not changed much, and growing a new leg is called regeneration.
Values from each site were used to: (1) compare two sites located in relatively large systems (river/ sound) and three sites in a small creek to test for differences due to system size and related nutrient availability; (2) determine the effect of a parasite, the pea crab (Pinnotheres spp.
KEY WORDS: Crassostrea virginica, Sapelo Island, condition index, parasitism, tidal exposure, Pinnotheres, pea crab
Porcelain crabs (Porcellanidae) and pea crabs (Pinnixa spp.
Porcelain crabs and pea crabs were the only crustacean species not found within the marsh edge habitat.
This has been reported for the pea crabs (Crustacea: Pinnotheridae) that also inhabit the mantle cavity of bivalves (Bierbaum & Ferson 1986).
Fouling organisms and the presence of pea crabs (Pinnotheres maculatus) were recorded and the pea crabs were removed at this point.
Additional pea crabs were observed in histologic sections and their number was added to the count obtained from gross-macroscopic examination to determine the actual prevalence.