Sea cage farming of marine finfishes: Special emphasis on Indian pompano and orange spotted grouper

Megarajan, Sekhar and Ranjan, Ritesh and Durga Suresh, R and Sadhu, Narasimhulu and Ignatius, Boby and Ghosh, Shubhadeep (2024) Sea cage farming of marine finfishes: Special emphasis on Indian pompano and orange spotted grouper. In: Manual on Advances in Marine Finfish Farming Practices. CMFRI Training Manual Series No.37/2024 . ICAR- Central Marine Fisheries Research Institute, Visakhapatnam, pp. 23-40.

Text CMFRI Training Manual Series No. 37_2024_Ritesh Ranjan.pdf Download (5MB)

Abstract

Sea cage culture involves growing marine fishes in sea and it is one of the intensive culture methods available for fish production, which is also considered as boon for landless farmers. This technology helps to reduce mounting pressure on land for producing fish. Globally, the cage aquaculture sector has grown very rapidly during the past 20 years and is presently undergoing rapid changes in response to pressures from globalization and growing demand for aquatic products in both developing and developed countries. In India, sea cage farming was initiated as a research and demonstration activity in 2005 by Central Marine Fisheries Research Institute, Indian Council of Agriculture Research. The cage culture technology thereafter underwent several modifications, in-terms of establishment, stability under different climatic conditions and standardisation with different culture methods. Presently, sea cages manufactured using High Density Poly Ethylene (HDPE) is considered the best suited for cage frame, to withstand the diverse climatic condition across the Indian coast. In India, marine cage farming is practiced in selected locations by individual fishermen, fisheries co-operatives, and nongovernmental organisations through support of state and central governments. The major fish species used for culture are Asian seabass, cobia, silver pompano, Indian pompano, orange spotted grouper and mangrove red snapper. In this chapter, sea cage-based farming technology developed for Indian pompano and Orange spotted grouper at Visakhapatnam Regional centre is detailed.

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