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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).
Fishing for sturgeon was a common practice among Native Americans and settlers who arrived along the East Coast of North America. The shortnose sturgeon (Acipenser brevirostrum) is a small and endangered species of North American sturgeon. The earliest remains of the species are from the Late Cretaceous Period, over 70 million years ago. [5]
The lake sturgeon uses its elongated, spade-like snout to stir up the substrate and sediments on the beds of rivers and lakes to feed. Four sensory organs (barbels) hang near its mouth to help the sturgeon locate bottom-dwelling prey. Lake sturgeons can grow to a large size for freshwater fish, topping 7.25 ft (2.2 m) long and 240 lb (108 kg).
Sturgeon. Sturgeon (from Old English styrġa ultimately from Proto-Indo-European * str̥ (Hx)yón - [1]) is the common name for the 28 species of fish belonging to the family Acipenseridae. The earliest sturgeon fossils date to the Late Cretaceous, and are descended from other, earlier acipenseriform fish, which date back to the Early Jurassic ...
The Wallkill River, a tributary of the Hudson, drains Lake Mohawk in Sparta, New Jersey, flowing from there generally northeasterly 88.3 miles (142.1 km) [1] to Rondout Creek in New York, just downstream of Sturgeon Pool, near Rosendale, with the combined flows reaching the Hudson at Kingston. The river is unusual because it flows north between ...
A 2016 U.S. Army Corps of Engineers map showing New York–New Jersey Harbor Estuary's drainage divide and drainage basin Harrisse/LOC copy of the Manatus Map of 1639 An 1866 map of New York–New Jersey Harbor Estuary A 2011 NASA image of New York–New Jersey Harbor Estuary Population density and elevation above sea level in the New York City metropolitan area as of 2010 An aerial view of ...
Michigan Department of Natural Resources staff were conducting their annual sturgeon survey when they reeled in a 125-pound and 6-foot-plus lake sturgeon on Lake St. Clair.
Acipenser oxyrinchus is a species with two subspecies : Atlantic sturgeon, Acipenser oxyrinchus oxyrinchus Mitchill 1815. Gulf sturgeon, Acipenser oxyrinchus desotoi Vladykov 1955. Their main diet includes crustaceans, worms, and molluscs. This species is also known to migrate up the river when it is spawning. [5]