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For other uses, see Oyster (disambiguation).
Crassostrea gigas, Marennes-Oléron
The common name oyster is used for a number of different groups of bivalve mollusks, most of which live in marine habitats or brackish water. The shell consists of two usually highly calcified valves which surround a soft body. Gills filter plankton from the water, and strong adductor muscles are used to hold the shell closed. |
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