India is blessed with long coastline of about 8118 km along the West Bengal, Odisha, Andhra
Pradesh, Tamil Nadu and Pondicherry along the east coast; along Gujarat, Maharashtra, Goa,
Karnataka, Kerala along the west coast. India has 2.02 million sq.km exclusive economic zone
area and 0.53 million sq.km continental shelf area, a potential source for marine fisheries.The
rich continental shelf area, a good habitat for demmersal fishes as well as crustaceans such
has penaeid prawns , non-penaeid prawns, crabs, lobsters and stomatopods. Mechanised
trawler is the main gear operated in the continental area targeting crustacean resources,
Though trawl net is operated for penaeid prawn, non penaeid prawns, crabs and stomatopods
will be formed as by catch because all these resources habituate in the same fishing ground
