Also known as a Dancing File Clam, False Flying Shell, File Shell, Fire Shell, Flame Scallop, Mollusc, Oyster, Red Fire Shell.
Found singly or in groups, in caves, under ledges and rocks over gravel substrate of coral and rocky reefs.
They feed on plankton.
Length - 3.5cm
Depth - 1-20m
Widespread Indo-West Pacific
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. (edit) Ref: x