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International Journal of Fisheries and Aquatic Studies
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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2016, Vol. 4, Issue 3, Part G

Length-weight relationship, condition factor and sex-ratio of snow trout (Schizothorax plagiostomus, Heckel, 1938) from Neelum and Jhelum rivers, Muzaffarabad, Azad Kashmir


Author(s): Tasleem Akhtar, Nuzhat Shafi and Ghazanfar Ali

Abstract: This study was the first effort to illustrate the length-weight relationship (LWR), condition factor and sex ratio of an economically important Snow trout, Schizothorax plagiostomus collected from Neelum and Jhelum Rivers, Muzaffarabad, Azad Kashmir. The LWR of S. plagiostomus was analyzed for both sexes with formula Log W = Log a + b Log L. A total of 330 specimens were collected during January to December, 2012 by using conventional fishing tools. The allometric coefficient b of LWR was found to be negative (b<3) all over the year. A trend line graph disclosed the declination in growth condition. The sex ratio of S. plagiostomus was calculated as 0.15: 6.4 (male: female) which strongly favors the dominance of the female sex over male in the natural population throughout the year. It is concluded that LWR, condition factor and sex ratio of S. plagiostomus demonstrated significant variation with environmental and physiological factors. This study would be useful to handle the adequate regulations and conservation of sustainable fishery management.

Pages: 513-517  |  741 Views  19 Downloads

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How to cite this article:
Tasleem Akhtar, Nuzhat Shafi, Ghazanfar Ali. Length-weight relationship, condition factor and sex-ratio of snow trout (Schizothorax plagiostomus, Heckel, 1938) from Neelum and Jhelum rivers, Muzaffarabad, Azad Kashmir. Int J Fish Aquat Stud 2016;4(3):513-517.
International Journal of Fisheries and Aquatic Studies