<em>Venus mercenaria</em>, the common quahaug or salt-water clam, about three fourths natural size.

Clam

Venus mercenaria, the common quahaug or salt-water clam, about three fourths natural size.

The large round edible clam of the Atlantic Coast of the United States.

Quahog

The large round edible clam of the Atlantic Coast of the United States.