Some results of the study on rearing of mangrove crab Scylla serrata juveniles in the barachois of Mauritius
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The mangrove crab, Scylla serrata (Forskal) is a potential candidate for aquaculture development in Mauritius and experimental trials on its culture were carried out from 1997 to 2002. It has a fast growth rate and tolerates a wide range of physico-chemical parameters. The survival rate of Scylla serrata, both under the controlled/hatchery conditions and in the natural eco-habitat is low. In 1997, the Japan International Cooperation Agency (JICA) launched the “Coastal Fisheries Resources & Environment Conservation Project” to enhance the stock of crab in the lagoon waters. The quantity of crab juveniles for culture in barachois is dependent on the availability of seed in the lagoon. Hatchery-produced crab juveniles were reared for experimentation/study in pen enclosures in two barachois prior to release in the coastal areas. The bio-indicators, stocking density and feeding regime differed in the two experimental studies. These experiments indicated varying survival and growth rates usi.....