Fish are finned, aquatic, cold blooded vertebrates with gills. India is rich with inland freshwater fish, with about 940 species known from its rivers, lakes and estuaries. India is the second largest source of aquaculture production in the world after China. Indian marine waters are home to over 1,700 fish species, including 200 commercially significant species, while the sector employs over 15 million people. India's share in fisheries production globally is about 5 per cent.
Catla (Catla catla), rohu (Labeo rohita), mrigal (Cirrhinus mrigala), silver carp (Hypophthalmichthys molitrix), grass carp (Ctenopharyngodon idella), and common carp (Cyprinus carpio).
Harvesting is done when fish attain marketable size.
After a certain period, the fish become suitable for harvesting. Although this time depends on the fish species. Start harvesting, when a major numbers of fish reach marketing age. You can use net for harvesting fish or by removing water from the pond. Try to harvest during morning or afternoon, when temperature is low.
Expanded polystyrene boxes, Solid fiberboard boxes, Corrugated fiberboard boxes, Corrugated plastic boxes, Returnable plastic boxes etc.