Fattening of mangrove crab (Scylla serrata) in wooden pen and plastic container

Abstract

Research to study fattening of mangrove crab (Scylla serrata) was conducted in the coastal waters of Wael Village, Western Seram Regency, Maluku Province Eastern Indonesia from September to October 2018. Two methods were used for fattening namely wooden pen and plastic container. Totally, there are 54 individuals of mangrove crab used in this study which consists of 30 individuals maintained in wooden pen and 24 individual kept in plastic container during five periods of research for two months. The results showed that at the end of the research, mangrove crabs kept in wooden pen had better growth than those maintained in plastic container. Even though they had same survival, the results of economic analysis showed that only mangrove crab in the wooden pen have a good price so that the investment gets a profit, while investing in mangrove crabs kept in plastic container becomes a loss.