Life history and status of the shovelnose sturgeon, Scaphirhynchus platorynchus

  title={Life history and status of the shovelnose sturgeon, Scaphirhynchus platorynchus},
  author={K. D. Keenlyne},
  journal={Environmental Biology of Fishes},
  • K. D. Keenlyne
  • Published 1997
  • Geography
  • Environmental Biology of Fishes
  • The shovelnose sturgeon, Scaphirhynchus platorynchus, is a freshwater sturgeon of the Mississippi and Missouri rivers and their tributaries. It is one of the smaller North American sturgeons, seldom weighing more than 2.5 kg over most of its range except in the upper Missouri River, where individuals of over 7 kg have been found. Spawning occurs in spring at temperatures between 17 and 21 °C over rock or gravel substrate down-stream from dams, near rock structures, or in tributaries. most males… CONTINUE READING
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