Declawing of crabs is the process whereby one or both claws of a crab are manually detached before the return of the live crab to the water, as practiced in the fishing industry worldwide. Crabs commonly have the ability to regenerate lost limbs after a period of time, and thus declawing is viewed as a potentially more sustainable method of fishing.[1] Due to the time it takes for a crab to regrow lost limbs, however, whether or not the practice represents truly sustainable fishing is still a point of scientific inquiry, and the ethics of declawing are also subject to debates over pain in crustaceans.
While not always fatal, declawing can substantially alter the chances of a crab's survival in the wild.[2] Declawing is a controversial practice; some jurisdictions have banned it partially or completely, while others only allow the crab's claws to be harvested commercially.
^Lynsey Patterson; Jaimie T. A. Dick; Robert W. Elwood (2009). "Claw removal and feeding ability in the edible crab, Cancer pagurus: implications for fishery practice". Applied Animal Behaviour Science. 116 (2): 302–305. doi:10.1016/j.applanim.2008.08.007.
^Queen's University, Belfast (10 October 2007). "Declawing crabs may lead to their death". Science Daily. Retrieved 3 January 2020.
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