Also known as Clam, Common Giant Clam, Elongate Giant Clam, Elongated Clam, Elongated Giant Clam, Giant Clam, Maxima Clam, Maxima Giant Clam, Mollusc, Rugose Clam, Small Giant Clam, Tridacna Clam, Tridacna Giant Clam.
Found between coral heads and depressions in rocks over coral and rocky reefs.
They feed on plankton.
Varies in colour.
Length - 30cm
Depth - 0-35m
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/Maxima_clam