Molluscs, Oysters, Pen Shell, Pacific Pen Shell, Scaly Pen Shell, Fan shell.
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Also known as Molluscs, Oysters, Pen Shell, Pacific Pen Shell, Scaly Pen Shell and Fan shell.
Found on coral and rocky reefs attached to rocks and walls.
They feed on plankton.
Length - 20cm
Depth - 1-15m
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.
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