Length-weight relationship and condition factor of the critically endangered fish of Geso, Hemibagrus wyckii (Bleeker, 1858) bagridae from Kampar Kanan River, Indonesia

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2018-02-13

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Abstract

The studies on length-weight relationships (LWR) and condition factors (K) of Geso (Hemibagrus wyckii, Bleeker, 1858, Bagridae) in Kampar Kanan River, Riau, Indonesia was conducted from February to September 2015. A total of 99 specimens were collected from different sample stations using different types of trapsnets and fishing pole. The pooled length–weight regression equation (Log W = - 6.1510+3.4536 TL, r = 0.936), and also the length-weight equations of males, females and juveniles (Log W = -4.2274+2.6646 log TL (r=0.94), Log W = -3.4342 + 2.4225 log TL (r = 0.931) and Log W = - 2.1968 + 3.0405 log TL (r = 0.913) respectively), indicate positive correlation between length and weight in H.wyckii. The mean values condition factor were ranged from 0.692±0.06 to 2.496±0.29, variations in the condition factor were found to be influenced by the gonadal maturity and spawning season

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Length-weight relationship, Condition factor, Hemibagrus wyckii

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