Atlantic Wing-oyster (Pteria colymbus)

Also known as Atlantic Wing Shell, Atlantic Winged Oyster, Black Pearl Oyster, Black Winged Oyster, Giant Wing Oyster, Pearl Oyster, Wing Oysters, Winged Oyster, Winged Pearl Oyster

Description

Also known as Atlantic Wing Shell, Atlantic Winged Oyster, Black Pearl Oyster, Black Winged Oyster, Giant Wing Oyster, Pearl Oyster, Wing Oysters, Winged Oyster, Winged Pearl Oyster.

Found attached to the stems of gorgonians and black corals over coral and rocky reefs.
They feed on plankton.
Often their shells are overgrown by other organisms.
Length - 7cm
Depth - 3-30m
Widespread Western Atlantic, Caribbean

In some areas these oysters are cultivated to produce black pearls.

Most Bivalves are permanently anchored in fissures or depressions in the rock surface of the reef, some may become covered in algae and other marine life.
Other Bivalves swim free, either by a well developed foot or propelled along by a jet of water from their mantle cavity. Ref: https://en.wikipedia.org/wiki/Pteria_colymbus

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