Effect of Pectoral Fin Ray Removal on Station-Holding Ability of Shovelnose Sturgeon

  title={Effect of Pectoral Fin Ray Removal on Station-Holding Ability of Shovelnose Sturgeon},
  author={G. Parsons and J. Hoover and K. Killgore},
  journal={North American Journal of Fisheries Management},
  • G. Parsons, J. Hoover, K. Killgore
  • Published 2003
  • Biology
  • North American Journal of Fisheries Management
  • Abstract The effect of fin ray removal on swimming performance was evaluated for shovelnose sturgeon Scaphirhynchus platorynchus from the lower Mississippi River. Immediately upon collection, the marginal pectoral fin ray was removed from some fish, and others were left unclipped as a control group. Fish were promptly returned to the laboratory and held in 1,300-L recirculating tanks at 21-26°C. After a minimum recovery time of 48 h, individual fish were placed in a 1,000-L, Brett-type swim… CONTINUE READING
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