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Effects of air exposure and claw breaks on survival of stone crabs Menippe mercenaria
Simonson, J.L.; Hochberg, R.J. (1986). Effects of air exposure and claw breaks on survival of stone crabs Menippe mercenaria. Trans. Am. Fish. Soc. 115(3): 471-477
In: Transactions of the American Fisheries Society. American Fisheries Society: Bethesda, MD, etc.,. ISSN 0002-8487; e-ISSN 1548-8659
Peer reviewed article  

Beschikbaar in  Auteurs 

Trefwoorden
    Air exposure; Animal appendages; Appendages; Crab fisheries; Fishing mortality; Harvesting; Mortality causes; Overleving; Menippe mercenaria (Say, 1818) [WoRMS]; Marien

Auteurs  Top 
  • Simonson, J.L.
  • Hochberg, R.J.

Abstract
    Only claws are harvested from stone crabs trapped in marine waters off Florida, and crabs are released to regenerate them. In practice, stone crabs often are held in shipboard boxes and declawed as vessels return to port. A direct relationship exists between holding time and stone crab mortality, but mortality is reduced significantly when crabs are dampened periodically with seawater. When crabs held 6 h in boxes were wetted with seawater once every hour, mortality declined from 100% (no wetting) to 23% (periodic wetting). Mortality of both wetted and unwetted stone crabs increased when claws were not broken along the natural fracture plane.

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