Some aspects on the biology of Nemipterus japonicus (Bloch) from Veraval in Gujarat


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Authors

  • P P Manojkumar Calicut Research Centre of Central Marine Fisheries Research Institute, Calicut, India

Abstract

The length weight relationship of Nemipterus japonicus from Veraval waters is derived to be Log W= -4.7338 + 2.9902 Log L (r =0.9786). Mature females appear in the fishery at 140 mm. The size at first maturity was estimated at 183 mm. Spawning occurs mainly from November to December and in February.
The females marginally dominated the fishery and the sex ratio between males and females was 1:1.01. The fecundity ranged from 14212 to 46387 and it increased depending upon the size of the fish. Fishes with empty stomach occurred in high percentage. This species is a carnivore and feeds on Acetes spp., penaeid prawns, crabs, squilla, squids, juvenile fishes and fish
larvae in the order of preference.

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Author Biography

  • P P Manojkumar, Calicut Research Centre of Central Marine Fisheries Research Institute, Calicut, India
    Calicut Research Centre of Central Marine Fisheries Research Institute,
    Calicut, India

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Issue

Vol. 51 No. 2 (2004)

Section

Articles

License

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How to Cite

Manojkumar, P. P. (2011). Some aspects on the biology of Nemipterus japonicus (Bloch) from Veraval in Gujarat. Indian Journal of Fisheries, 51(2), 185-191. https://epubs.icar.org.in/index.php/IJF/article/view/7186