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Atlantic wing-oyster
Pteria colymbus
(Röding, 1798)

This bivalve shell is attached to the substrate. The upper shell is brownish, often mottled. On the upper surface are irregular ribs, concentric growth rings and scaly spines.
Size: up to 6 cm.

The animal attaches itself to gorgonians, and is well camouflaged, also, it can be overgrown with other organisms.
Depth: ranges from 3 m down to 3 m.

Occasional all over the Caribbean.

In most countries it is illegal to bring back these shells from holidays.

Atlantic wing-oyster (Pteria colymbus)