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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.
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 ...
A public information meeting on the future of sturgeon spearing will take place from 7 p.m. to 8 p.m. Monday, Jan. 22, at the Stockbridge High School Gym, 110 School St., Stockbridge, with local ...
Sturgeon are an anadromous species that live solitarily or in small groups. They migrate upriver in the spring to spawn. Sturgeons tend to inhabit the shallow waters of coastal shelves, coastal and estuarine areas on soft bottom in the sea, and can live down to a depth of 160 ft (49 m).
Lake sturgeon can weigh anywhere between 30 and 100 pounds. There are an estimated 30,000 adult sturgeon at the mouth of the St. Clair River. [ 12 ] Nine reefs were installed in the middle channel of the St. Clair River to provide places for sturgeon spawning, in an effort to increase the fish population in the river.
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]
The system features one of the largest lake sturgeon populations in the world. In its 2023 population assessment, the DNR estimated the system had 23,625 adult male and 18,061 adult female sturgeon.