Chapter The ex-situ adaptative power of the blue crab callinectes sapidus rathbun, 1896.

Abstract

The blue crab Callinectes sapidus locally nicknamed «Dhaech» in allusion to its devastating character, that eats everything on its way, it ravages, disrupts the environmental ecology and even impoverished it. This crab invaded the Mellah Lake «Ramsar site», which threatens the whole environment balance, and in order to propose a solution to this invasion, while taking advantage of the arrival of this new wealth, our reflection starts from the finding in the first hand of the approval size generated by the blue crab and its contribution in social-economic development, what led us to this issue of breeding the Mellah crab ex-situ to exploit it commercially.