On some aspects of biology of the mackerel scad Decapterus russelli (Ruppell)


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Authors

  • Sadashiv Gopal Raje Central Marine Fisheries Research Institute, Cochin — 682 014, India

Abstract

The length-weight relationship proved no significant difference between sexes, and the relationship can be described by a single equation: Log W = -5.4870 + 3.2069 Log L. The relative condition factor indicated peak in February for males and April for females. The size at first maturity has been estimated at 189 mm. Maturity studies indicate prolonged spawning season i.e. November-May. This fish is a pelagic carnivore feeding mainly on sergestids (Acetes spp.) followed by fish of Apogon spp., Myctophum spp. and molluscs

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Author Biography

  • Sadashiv Gopal Raje, Central Marine Fisheries Research Institute, Cochin — 682 014, India
    Central Marine Fisheries Research Institute, Cochin — 682 014, India

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Issue

Vol. 44 No. 1 (1997)

Section

Note

License

The copyright of the articles published in Indian Journal of Fisheries vests with the Indian Council of Agricultural Research, who has the right to enter into any agreement with any organization in India or abroad engaged in reprography, photocopying, storage and dissemination of information contained in these journals. The Council has no objection in using the material, provided the information is being utilized for academic purpose but not for commercial use. Due credit line should be given to the ICAR where information will be utilized.

How to Cite

Raje, S. G. (2011). On some aspects of biology of the mackerel scad Decapterus russelli (Ruppell). Indian Journal of Fisheries, 44(1), 97-99. https://epubs.icar.org.in/index.php/IJF/article/view/8897