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Oysters feed most actively at temperatures ranging from the high 60s to the high 70s (20–26 °C). [8] Under ideal laboratory conditions, an oyster can filter up to 190 L (50 US gal) of water per day. Under average conditions, mature oysters filter 11–45 L (3–12 U.S. gal).
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. Other names in local or culinary use include the Wellfleet oyster , [ 3 ] Virginia oyster , Malpeque oyster , Blue Point oyster , Chesapeake Bay oyster , and ...
The optimum salinity for Pacific oysters is between 20 and 35 parts per thousand (ppt), and they can tolerate salinities as high as 38 ppt; at this level, however, reproduction is unlikely to occur. [10] The Pacific oyster is also a very temperature tolerant species, as it can withstand a range from −1.8 to 35 °C. [10]
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While Kumamoto oysters are native to Japan, Korea, Taiwan, and southern China, it was introduced to the West Coast of North America for commercial use in 1947. [5] It has not been established outside of its native range, and natural reproduction has not occurred due to its water temperature requirements, which are from 24–28 °C (75–82 °F).
Oyster farming is an aquaculture (or mariculture) practice in which oysters are bred and raised mainly for their pearls, shells and inner organ tissue, which is eaten. Oyster farming was practiced by the ancient Romans as early as the 1st century BC on the Italian peninsula [1] [2] and later in Britain for export to Rome. The French oyster ...
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Unlike most bivalves, the Olympia oyster's shell lacks the periostracum, which is the outermost coating of shell that prevents erosion of the underlying shell. The color of the oyster's flesh is white to a light olive green. Ostrea lurida oysters lie with their left valve on the substrate, where they are firmly attached. Unlike most bivalves ...