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An old quahog shell that has been bored (producing Entobia) and encrusted after the death of the clam. Western Atlantic Ocean: Hard clams are quite common throughout New England, north into Canada, and all down the Eastern seaboard of the United States to Florida; but they are particularly abundant between Cape Cod and New Jersey, where seeding and harvesting them is an important commercial ...
Mercenaria is a genus of edible saltwater clams, marine bivalve molluscs in the family Veneridae, the Venus clams. [1]Left valve interior of Mercenaria mercenaria. The genus Mercenaria includes the quahogs, consisting of Mercenaria mercenaria, the northern quahog or hard clam, and M. campechiensis, the southern quahog.
Clam with its siphon out Littleneck clams, small hard clams, species Mercenaria mercenaria. A clam's shell consists of two (usually equal) valves, which are connected by a hinge joint and a ligament that can be internal or external. [6]
In New England the soft-shell clam is preyed heavily upon by northern moon snails and invasive green crabs. They are also a favorite of gulls, which pull the clam from the sand, climb to about 15–20 ft (5–6 m), and then drop the clam on a hard surface, breaking the shell.
The internal anatomy is visible, including the paired siphons to the right. A siphon is an anatomical structure which is part of the body of aquatic molluscs in three classes: Gastropoda, Bivalvia and Cephalopoda (members of these classes include saltwater and freshwater snails, clams, octopus, squid and relatives).
The age of bivalve molluscs can be estimated in several ways. The Noah's Ark clam Arca noae has been used to compare these methods: the annual growth rings on the exterior of the valves can be counted at one per year and give a satisfactory result, but sometimes spurts of growth occur which may create an extra ring and cause confusion. Early ...
The Pacific razor clam, Siliqua patula, is a large mollusc native to North America.The Pacific Razor clam is a marine bivalve belonging to the family Pharidae. [4] Pacific razor clams are sexually dimorphic, but as with all clams, there is no way to tell the difference between sexes without dissecting them or evaluating them under a microscope. [5]
A live opened scallop showing the internal anatomy: The pale orange circular part is the adductor muscle; the darker orange curved part is the "coral", a culinary term for the ovary. Many species of venus clam, including: Hard clams. Austrovenus stutchburyi; Chione californiensis; Grooved carpet shell; Quahog; Ruditapes largillierti; Saxidomus ...