In a changing environmental and economic context, the overall objective of the CORECRABE project is to value original expertise on the mangrove crab fishery at local level (meeting) but also in Malagasy territory to civil, public and private actors. This project will make use of the results of the research to develop in a sustainable manner the fishery for mangrove crab in Madagascar, in order to maintain the socio-economic benefits of this sector in Madagascar and for the companies in Réunion involved. In addition, the project will develop a transdisciplinary approach, based on the explicit cooperation between partner research institutions and academics, external scientific experts (invited during expert committees), private companies in the mangrove crab fishery sector in Madagascar, and consultancy firms and service providers based in Réunion via procurement.