One oyster can filter more than 50 gallons of water in 24 hours. It sucks in water and filters out the plankton and detritus to swallow, then spits the water back out, thus cleaning the water around it. This particular type of oyster is important to its ecosystem. Like all oysters, Crassostrea virginica is a bivalve mollusk with a hard calcium carbonaceous shell that protects it from predation. Main article: Oyster § Physical characteristics Its distribution has been affected by habitat change less than 1% of the population present when the first European colonists arrived is thought to remain in the Chesapeake Bay and its tributaries.
The eastern oyster is an important commercial species. It was introduced to the Hawaiian Islands in the nineteenth century and is common in Pearl Harbor. It is farmed in all of the Maritime provinces of Canada and all Eastern Seaboard and Gulf states of the United States, as well as Puget Sound, Washington, where it is known as the Totten Inlet Virginica. virginica ranges from northern New Brunswick through parts of the West Indies and south to Brazil.
Other names in local or culinary use include the Wellfleet oyster, Virginia oyster, Malpeque oyster, Blue Point oyster, Chesapeake Bay oyster, and Apalachicola oyster. The eastern oyster ( Crassostrea virginica)-also called the Atlantic oyster, American oyster, or East Coast oyster-is a species of true oyster native to eastern North and South America.
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