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An Atlantic sturgeon at the Aquarium du Québec. Rather than having true scales, the Atlantic sturgeon has five rows of bony plates known as scutes.Specimens weighing over 800 lb and nearly 15 ft in length have been recorded, but they typically grow to be 6–8 ft (1.8–2.4 m) and no more than 300 lb (140 kg).
The European sea sturgeon (Acipenser sturio), also known as the Atlantic sturgeon or common sturgeon, is a species of sturgeon native to Europe. It was formerly abundant, being found in coastal habitats all over Europe. [5] Most specifically, they reach the Black and Baltic Sea. [6] It is anadromous and breeds in rivers.
Atlantic sturgeons only need to move a short distance to reach rearing areas. Early sturgeon migrants tend to be nocturnal while later migrants are diurnal. [8] During summer months, sturgeon will remain in localized bottom areas of the rivers. In the late fall, the sturgeon migrate out of spawning rivers and into the Gulf of Mexico. [7]
The nominate subspecies is the Atlantic sturgeon, A. o. oxyrinchus. [5] The Gulf sturgeon is listed as threatened under the United States Endangered Species Act , having been listed in 1991. [ 2 ] [ 3 ] Critical habitat , reflecting the range of the subspecies deemed essential for its continued survival, has been designated (see map). [ 6 ]
The D.E.E.P. believes tissue samples will help prove if the Atlantic Sturgeon found in Lyme is unique to the Connecticut River, or if it's just part of another population from a river outside the ...
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Sturgeon range from subtropical to subarctic waters in North America and Eurasia. In North America, they range along the Atlantic Coast from the Gulf of Mexico to Newfoundland, including the Great Lakes and the St. Lawrence, Missouri, and Mississippi Rivers, as well as along the West Coast in major rivers from California and Idaho to British ...
The decision ends the Arizona-based Center of Biological Diversity's petition filed in May 2018 asking the U.S. Fish and Wildlife Service to list lake sturgeon as endangered or threatened.