Distribution and biology of the striped marlin, Tetrapturus audax (PHILIPPI) taken by the longline fishery in the Indian Ocean

Pillai, P P and Ueyanagi, Shoji (1978) Distribution and biology of the striped marlin, Tetrapturus audax (PHILIPPI) taken by the longline fishery in the Indian Ocean. Bulletin of Far Seas Fisheries Research Laboratory, 16. pp. 9-32.

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Abstract

Fishery biological data of the striped marlin, Tetraptvl'us audax (PHILIPPI) (Jap: Makajiki) obtainp.d by the Japanese commercial longline vessels in the Indian Ocean during the period 1965-1975 were analysed, the results presented and discussed. The annual catch has decreased considerably since 1967, but the catch rate showed no definite tendency to increase or decrease. Distribution of the average monthly relative density showed that seasonal concentration occurred in the east African coast between equator and 10 0 S.; southern and western Arabian Sea, Bay of Bengal and north-western Australian waters.

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