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2005•Indian Journal of FisheriesOpen access

Fishery of lizardfishes off Veraval with stock assessment of Saurida tumbil (Bloch)

P P Manojkumar, S Sivakami

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Abstract

The lizardfishes form an important demersal fishery resource off Veraval with average annual estimated landings of 455 t, forming 0.74% of the total trawl production. Two species viz. Saurida tumbil and S. undosquamis contributed to the fishery of which, S. tumbil formed 85% of the lizardfish landings. Asymptotic length (L ∞ ) and growth coefficient (K) estimated for S. tumbil are 577 mm and 0.70 y -1 respectively and the size at first capture (t c ) is 202 mm. The estimated mortality rates Z, F and M are 3.46 y -1

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What this paper is about

The lizardfishes form an important demersal fishery resource off Veraval with average annual estimated landings of 455 t, forming 0.74% of the total trawl production. Two species viz. Saurida tumbil and S. undosquamis contributed to the fishery of which, S. tumbil formed 85% of the lizardfish landings. Asymptotic length (L ∞ ) and growth coefficient (K) estimated for S. tumbil are 577 mm and 0.70 y -1 respectively and the size at first capture (t c ) is 202 mm. The estimated mortality rates Z, F and M are 3.46 y -1

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Available abstract

The lizardfishes form an important demersal fishery resource off Veraval with average annual estimated landings of 455 t, forming 0.74% of the total trawl production. Two species viz. Saurida tumbil and S. undosquamis contributed to the fishery of which, S. tumbil formed 85% of the lizardfish landings. Asymptotic length (L ∞ ) and growth coefficient (K) estimated for S. tumbil are 577 mm and 0.70 y -1 respectively and the size at first capture (t c ) is 202 mm. The estimated mortality rates Z, F and M are 3.46 y -1

Key concepts: Demersal zone, Fishery, Stock (firearms), Stock assessment, Environmental science, Pelagic zone, Geography, Oceanography

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