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The shovelnose sturgeon (Scaphirhynchus platorynchus) [5] is the smallest species of freshwater sturgeon native to North America. It is often called hackleback , sand sturgeon , or switchtail . Switchtail refers to the long filament found on the upper lobe of the caudal fin (often broken off as adults).
Fish is a more important dietary staple for pallid sturgeon than it is for shovelnose sturgeon. [34] In one study comparing dietary tendencies between adult shovelnose sturgeon and immature pallid sturgeon, the pallid sturgeon was found to consume far greater numbers of small fish such as cyprinids (minnows). [33]
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.
The lake sturgeon is near the southern end of its range in Arkansas, more commonly found in the Upper Midwest. [86] Pallid and shovelnose sturgeon live in large, turbid rivers of the Mississippi Alluvial Plain, including the lower Arkansas, Mississippi, and lower White rivers downstream of impoundments. [87] [88]
The two-week sturgeon spearing season is responsible for an estimated $3.5 million economic impact and sturgeon conservation is a major part in the over $200 million annual impact fishing brings ...
A study published in 2020 reported a successful hybridization between a Russian sturgeon (Acipenser gueldenstaedtii) and an American paddlefish (Polyodon spathula), indicating that the two species can breed with one another despite their lineages having been separated for hundreds of millions of years.
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 ...
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 ...