Since 1974, a series of measures are taken by the Fisheries Department, sometimes permitting, sometimes prohibiting fishing for shrimp in the area from the Casamance estuary mouth to Ziguinchor. Since, this changing policy could not appease the more or less open conflicts between fishing communities on the one hand and between them and the administrative authorities on the other. The issue of the closure of the forbidden zone is always posed by shrimp fishermen who invest this area despite the latter 2008 arrest, imposing the ban on new shrimp fishing in this part of the estuary of Casamance. Faced with the inability of fishing services to enforce the ban on fishing for shrimp in the area downstream of the Emile Badiane Bridge and regulate the use of gear, local populations have initiated protected areas in the waters of their territory, Area of Autonomous and Communal Heritage (AACH or APAC in french). Feeling their activities threatened by APAC and the enclosure of the zone, shrimp fishermen, mostly migrants, have proposed to the fishery administration, the establishment of a biological rest. This paper shows the difficulty of governance of shrimp fisheries in Casamance face to the controversial proposals of the three stakeholders.