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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 Service.
Endangered species designation could have eliminated sturgeon spearing in Wisconsin. Concerns over a possible listing led a bipartisan group of Wisconsin elected officials in December to write a ...
[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.
The largest species, P. kaufmanni, reaches up to 75 cm (30 in) in total length (excluding tail filament), while the smallest, P. hermanni, only reaches 27.5 cm (10.8 in), making it the smallest member of the sturgeon family. [4] [9] P. kaufmanni has a long thin tail filament, P. hermanni lacks it, and it can be long or short in P. fedtschenkoi. [9]
The shortnose sturgeon (Acipenser brevirostrum) is a small and endangered species of North American sturgeon. The earliest remains of the species are from the Late Cretaceous Period, over 70 million years ago. [ 5 ]
After centuries of overfishing, the sturgeon, once prized for its caviar, was classified an endangered species in 2012. The Endangered Species Act prohibits the taking of sturgeon but allows for ...
The sterlet (Acipenser ruthenus) is a relatively small species of sturgeon from Eurasia native to large rivers that flow into the Black Sea, Azov Sea, and Caspian Sea, as well as rivers in Siberia as far east as Yenisei. Populations migrating between fresh and salt water have been extirpated. [1] It is also known as the sterlet sturgeon.