Review on cage and pen culture

The paper deals with the various aspects of work done on cage and pen culture in India and abroad The need for these types of culture techniques in India is pointed out, The history of these systems is traced and the various species of fishes used in cage and pen culture are pointed out. Since clams, windowpane oyster, edible oyster, prawns and milk fish are compatible species, they are ideal for culturing together. The different factors governing the success of intensive culture are presented, The kinds of cages and pens installed are discussed with a note on their durability with reference to the materials used for construction The yield achieved in cage and pen culture and the advantages of these two systems are reported. The field problems in these culture methods are indicated. The economics of fish production, particularly the net profit in selected studies are pointed out for taking up these programmes in mass level