Observation on maximum attainable weight of Mystus cavasius (Hamilton, 1822)
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Authors
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Pranaya K. Parida
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Dibakar Bhakta
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Bijay K. Behera
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Basanta K. Das
Abstract
As per the available secondary literature, Mystus cavasius (Hamilton, 1822) has been reported to grow 10.0 kg with a maximum standard length of 40.0 cm. The maximum reported lengths of M. cavasius by various authors were checked and the length-weight
relationships of the species given by different authors have been reviewed. With the available information on length-weight relationships (a and b value of W=aLb), the weight was calculated by taking the maximum reported length, and the maximum weight was found as 1.08 kg. The authors are in the view that the information published by Talwar and Jhigran (1991) might have a typographical error in recording the maximum weight of the fish. The reported weight might be 1.08 kg, rather than 10.0 kg, which has been used in many articles as a reference point.
Key words Mystus cavasius, Maximum reported length, Maximum reported weight
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