Commercial seed production and farming of Asian seabass Lates calcarifer- Winter School on Recent Advances in Breeding and Larviculture of Marine Finfish and Shellfish

摘要

The seabass Lates calcarifer is a marine food fish belongs to family, Centropomidae. This eurihaline fish widelyuddistributed in Indo – Pacific region and abundant much all along the Indian coast. In nature this fish grown to theudmaximum size of 12 – 14 kg with a TL of 72 – 90 cm and its colour is black at dorsal side and rest of the body is silveryudwhite covered with placoid scales. This fish is highly carnivorous and mainly eats small fishes, crustaceans andudmollusks, etc. Though the sexes are separate, the fish initially grown as male upto 4 kg. and subsequently transformedudinto female and this phenomena is named as “Protrondrus Hermaphroditism” The life cycle of the fish is in two phasesudi.e., spawning and larval development stages takes place in open sea whereas juveniles, sub adults and adults areudin brackish water.