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May 12, 2015


Tamil Nadu—Successful Mud Crab Hatchery


The largest impediment to the development of crab farming around the world is the absence of commercial hatcheries.


In India, Rajiv Gandhi Centre for Aquaculture (RGCA), the research and development arm of India’s Marine Products Export Development Authority (MPEDA), has established a mud crab (Scylla serrata) hatchery in the state of Tamil Nadu that regularly produces juvenile crablets for its demonstration farm and local farmers.  Crablets have also been supplied to several research institutions like the Central Institute of Brackish Water Aquaculture (CIBA) and the National Institute of Ocean Technology (NIOT) for their farming demonstrations.


Because of the highly cannibalistic nature of the crab larvae, larval rearing of mud crabs is a very challenging task, and survival rates are extremely low when compared to other crustacean species and finfish.  But, scientists at RGCA have achieved survivals of 7 to 14 percent against the world average survival rate of 3 percent.


Source: The Fish Site.   MPEDA’s Maharashtra Crab Farming Project a Success.  Jagdish Kumar.  May 11, 2015.

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