Comparative length-weight relationship and condition factor of Labeo gonius (Hamilton, 1822) from six river systems in India
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Authors
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PRONOB DAS
ICAR-Central Inland Fisheries Research Institute, Regional Centre, Guwahati - 781 006, Assam, India
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BIJAY KUMAR BEHERA
ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700 120, West Bengal, India
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DIBAKAR BHAKTA
ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700 120, West Bengal, India
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PRANAYA KUMAR PARIDA
ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700 120, West Bengal, India
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DHARMENDRA KUMAR MEENA
ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700 120, West Bengal, India
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KAVITA KUMARI
ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700 120, West Bengal, India
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DEBABRATA PANDA
ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700 120, West Bengal, India
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SULLIP KUMAR MAJHI
ICAR-Central Inland Fisheries Research Institute, Regional Centre, Guwahati - 781 006, Assam, India
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BASANTA KUMAR DAS
ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700 120, West Bengal, India
Keywords:
Condition factor, India, Six river systems, Labeo gonius, Length-weight relationships (LWRs)Abstract
Comparative length-weight relationship (LWR) and condition factor of Labeo gonius were estimated for six years from six river systems in India. A total of 589 fish samples were collected from selected landing sites in the Narmada, Krishna, Mahanadi, Ganga, Teesta, and Brahmaputra Rivers. The size of the overall samples ranged from 119 to 460 mm and 17 to 1200 g, respectively. The b values were found to be 2.60 to 3.35, and the fish samples collected from the Narmada, Krishna, Mahanadi, Ganga, and Teesta rivers showed positive allometric growth, while samples from the Brahmaputra showed negative allometric growth (p<0.05). The mean condition factor varied from 1.02±07 to 1.16±14, with the highest value observed from the Brahmaputra River and the lowest being recorded from Krishna River samples. The information generated during the present study could be useful to the sustainable management of L. gonius and other carps in the freshwater river system in India.
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