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Several species can grow quite large, typically ranging 2–3.5 m (7–12 ft) in length. The largest sturgeon on record was a beluga female captured in the Volga Delta in 1827, measuring 7.2 m (23 ft 7 in) long and weighing 1,571 kg (3,463 lb).
The lake sturgeon (Acipenser fulvescens), also known as the rock sturgeon, [7] is a North American temperate freshwater fish, one of about 25 species of sturgeon.Like other sturgeons, this species is a bottom feeder and has a partly cartilaginous skeleton, an overall streamlined shape, and skin bearing rows of bony plates on the sides and back.
The dorsal fins are located very far back on the body. Five longitudinal lines of large osseous plates are found on the body of the fish. The stomach is yellow and the back is a brownish grey. [citation needed] This sturgeon can reach 6 m (20 ft) and 400 kg (880 lb) in weight, but a more common length is 1.25 m (4 ft 1 in).
White sturgeon are commonly found in deep, soft bottomed areas of estuaries, where movements in the water column is dependent on salinity. [11] Historical ranges have been modified substantially by overharvesting, habitat changes due to dams, and river regulations; all affecting habitat quality, suitability and connectivity.
The two-week sturgeon spearing season is responsible for an estimated $3.5 million economic impact and sturgeon conservation is a major part in the over $200 million annual impact fishing brings ...
Shortnose sturgeon range map along the East Coast of the United States. Historically, shortnose sturgeon were found in the coastal rivers along the East Coast of North America. Living from the Saint John River in New Brunswick all the way to the Indian River in Florida. Currently, shortnose sturgeon can be found in 41 bays and rivers along the ...
The Service found although lake sturgeon declined over the last century in parts of its range due to overexploitation and loss of access to spawning habitat, efforts such as fish stocking have ...
Atlantic sturgeon under six years of age stay in the brackish water where they were born before moving into the ocean. They may be 3–5 ft (0.91–1.52 m) long at this stage. In areas where shortnose sturgeon are also present, the adults of that species can be, and historically were for centuries, confused with immature Atlantic sturgeon. When ...