Crab is one of marine fishery commodity that is very popular and has a high economic value. In addition to its favorite taste, crabs contain good nutritional value. Crabs are widely consumed and potentially to be cultivated is a group of familiportunidae classified as swimming crabs (swimming crabs) because it has the last pair of legs are flattened and used for swimming. This family includes crabs (Portunus, Charybdis and Thalamita) and mangrove crab (Scylla spp).
