Length-weight relationship and relative condition factor of five Labeo spp. from river Cauvery in India
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Authors
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S. Sibina Mol
ICAR_Central Inland Fisheries Research Institute
http://orcid.org/0000-0003-0804-6268
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A. K. Jaiswar
ICAR-Central Institute of Fisheries Education
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P. Panikkar
ICAR-Central Inland Fisheries Research Institute
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B. K. Behera
ICAR-Central Inland Fisheries Research Institute
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H. Sanath Kumar
ICAR-Central Institute of Fisheries Education
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C. M. Roshith
ICAR-Central Institute of Fisheries Education
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M. E. Vijaykumar
ICAR-Central Inland Fisheries Research Institute
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S. K. Sharma
ICAR- Central Inland Fisheries Research Institute
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R. K. Manna
ICAR-Central Inland Fisheries Research Institute
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B. K. Das
ICAR-Central Inland Fisheries Research Institute
http://orcid.org/0000-0002-6629-8992
Abstract
Length-weight relationship (LWR) of five species of the genus Labeo (Family: Cyprinidae) namely L. rohita (Hamilton,1822), L. calbasu (Hamilton,1822), L. bata (Hamilton,1822), L. dyocheilus (McClelland, 1839) and L. porcellus (Heckel, 1844), based on 214 specimens collected from Cauvery River in Peninsular India, were established. Sampling was carried out from December 2017 to December 2018 at around three months interval. The value of regression coefficient (b) ranged from 2.6147 (L. bata) to 3.2855 (L. dyocheilus). A new maximum length of 41 cm for L. porcellus has been recorded. For L. porcellus, LWR is established for the first time while for other species (except L. rohita); it is estimated for the first time from a peninsular river in India. Relative condition factor estimated for the five fish species did not show large scale variation (1.001 to 1.019).
Keywords: Cauvery, Condition factor, Labeo, Length-weight relationship
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