Present status of exploitation of fish and shellfish resources: Tunas and billfishes

James, P S B R and Pillai, P P and Jayaprakash, A A and Pillai, N G K and Gopakumar, G and Yohannan, T M and Muthiah, C and Kulkarni, G M and Kemparaju, S (1992) Present status of exploitation of fish and shellfish resources: Tunas and billfishes. CMFRI Bulletin, 45. pp. 56-84.

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Abstract

Despite the fact that several communications in the past have dealt with the trend of tuna fishery at different centres along the west coast of India, no directed attempt has been made till date to study the tuna fishery during the southwest monsoon period along this coast and to synthesise its problems and prospects. The present mmmunication deals with their trend, general fishery, craft and gear employed in the fishing, fishing grounds, seasonal variation in catch, effort and catch rate and characteristics during premonsoon, monsoon and post seasons. In addition, the species composition and length composition of major species during different seams and available information of the spawning biology of tunas along the west coast of India are also dealt with. The effect of tuna fishing. demand and price structure during monsoon period as cornpad to other spasons and the management meas- are also presented and discussed.

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