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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.
[50] [51] [52] Some species of sturgeon are extinct, and several are on the verge of extinction, including the Chinese sturgeon, [53] the highly prized beluga sturgeon, [54] and the Alabama sturgeon. [55] Many species are classified as threatened or endangered, with noticeable declines in sturgeon populations as the demand for caviar increases ...
Produced at Valley City National Fish Hatchery (North Dakota). Photographed at Gavins Point National Fish Hatchery in Yankton, SD by Sam Stukel (USFWS) Date: 2 November 2023, 09:11: Source: Lake Sturgeon, Juvenile: Author: USFWS Mountain-Prairie
Fisheries staff with the U.S. Fish and Wildlife Service net a lake sturgeon for processing at Bamboo Bend on the Wolf River in Shiocton. The fish were measured, sexed and had a passive integrated ...
Fishing for lake sturgeon in Minnesota, Wisconsin and Michigan is not a threat to the ancient species, the U.S. Fish and Wildlife Service (FWS) concluded in its decision not to list the giant fish ...
Wisconsin has among the highest populations of lake sturgeon. Lake sturgeon are one of the oldest fish species in North America and are native to at least two dozen states in the central, southern ...
The kaluga sturgeon is a massive fish, also known as the "river beluga". It has a triangular head with several bony plates. Its body is an elongated fusiform body with five rows of bony scutes: dorsal with 10–16 beetles (the first is largest), two laterals (32–46 scutes), and two ventral (8–12 scutes) between rows of small bony scutes ...
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. Such listings would make harvesting the fish illegal, but without them, popular sturgeon harvest seasons in states such as Wisconsin and Michigan can continue.