Also known as Bear Paw Giant Clam, Bear's Paw Clam, Clam, Giant Clam, Hippopus Clam, Horse Hoof Clam, Horses Hoof, Horses Hoof Clam, Horseshoe Clam, Mollusc, Rolling Clam, Strawberry Clam.
Found over intertidal areas, in shallow waters, of lagoons, barrier and fringing reefs. Highly variable in colour.
They feed on plankton.
Length - 40cm
Depth - 0-30m
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. Ref: https://en.wikipedia.org/wiki/Hippopus_hippopus