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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.
Exceptionally, both Huso species, the white sturgeon and the pallid sturgeon feed primarily on other fish as adults. They feed by extending their siphon-like mouths to suck food from the benthos . Having no teeth, they are unable to seize prey, though larger individuals and more predatory species can swallow very large prey items, including ...
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 ...
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 ...
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 ...
White sturgeon (Acipenser transmontanus) is a species of sturgeon in the family Acipenseridae of the order Acipenseriformes. They are an anadromous (migratory) fish species ranging in the Eastern Pacific; from the Gulf of Alaska to Monterey, California .
Lake sturgeon were found in relative abundance in Lake Michigan and nearshore waters of Milwaukee when European immigrants settled the area. However, the fish were extirpated over much of their ...
Lake sturgeon (Acipenser fulvescens) O, extinct in West Virginia; Shovelnose sturgeon (Scaphirhynchus platorynchus) O, VU [2] Family Polyodontidae (paddlefishes) American paddlefish (Polyodon spathula) O, rare, VU [3]