Management and harvesting.
The cages were lifted from water at every 15 days . Interval to check the net and cleaning purpose. Cages were cleaned with soft brush to remove algae, sponges and other organisms. Dead fish were removed from cages. Immediately and disposed of in a pit. Loose twine, mesh torn by predators, anchors and sinkers were checked routinely and immediately mended or replaced as needed. Fish were harvested at the end of 90 days culture.