A retractable foot, a siphon for sucking up water, powerful muscles, and, sometimes, a pearl ... and mussels, clams are bivalves, a kind of mollusk that's encased in a shell made of two valves ...

The purplish shells of quahogs, treasured in the past by Native Americans, now appear alongside gold, mother-of-pearl and ...

Scott Overland, who is vice president of the Phoenixville School Board, was dining out while on vacation in Rehoboth Beach, Delaware last week with his ...

These translucent animals are known to swim inside clams and oysters to hide from ... that are in its calcium carbonate shell, the mollusc creates a material called nacre, commonly known as ...

Pearls are made by marine oysters and freshwater mussels as a natural defence against an irritant such as a parasite entering their shell or damage to their fragile body. The oyster or mussel slowly ...