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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.
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 ...
Globally, sturgeon fisheries are of great value, primarily as a source for caviar, but also for flesh. [42] Several species of sturgeon are harvested for their roe which is processed into caviar—a delicacy, and the reason why caviar-producing sturgeons are among the most valuable and endangered of all wildlife resources. [43]
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 and eastern U.S. according to the USFWS. In Wisconsin they ...
Sturgeon not only provide a traditional food source, but also supported a commercial fishery for over 110 years. Over-harvesting and habitat changes (resulting from municipal and industrial water use, irrigation and hydroelectric development) have caused a drastic reduction in the sturgeon population in the lower Saskatchewan River during the ...
Beginning in the 1970s, biologists began noticing that Lake Roosevelt's sturgeon were not living to adulthood. Called "recruitment failure," the issue was apparent in Canada and in Washington.
Scaphirhynchus is a genus of sturgeons native to North America. All species in this genus are considered to be threatened with extinction or worse. [2] [3] [4] As of 2023, the pallid sturgeon (S. albus) [3] and the Alabama sturgeon (S. suttkusi) [4] are critically endangered according to the International Union for Conservation of Nature.