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Related to oyster crab: pea crab
A small crab (Zaops ostreum syn. Pinnotheres ostreum) of the western Atlantic Ocean that lives inside the shell of a bivalve mollusk, especially an oyster.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Animals) any of several small soft-bodied crabs of the genus Pinnotheres, esp P. ostreum, that live as commensals in the mantles of oysters
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any small, thin-shelled crab of the family Pinnotheridae: the female lives as a commensal in the gill cavity of bivalves.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||oyster crab - tiny soft-bodied crab living within the mantle cavity of oysters|
pea crab - tiny soft-bodied crab living commensally in the mantles of certain bivalve mollusks
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