International Journal of Fisheries and Aquatic Studies
Volume 1, Issue 3, 2014
Studies on length–weight relationship of seven commercially important freshwater fish species of Gomti River Lucknow (U.P.) India
Author(s): Rajesh Kumar, Shiv Shankar Yadav, Madhu Tripathi
Abstract: This study includes the length–weight relationship of the seven fish species of the Gomti River Lucknow, India. Total of 271 specimens ranging from 15 to 57 cm total length and 25 to 155 g total weight were collected. In these study values of b varied 2.54 for Wallago attu to 3.2 for Channa punctatus in the Gomti River. The mean value of b for all species was 2.99 in the Gomti. The coefficient of determination (r2) for Gomti River ranged from 0.90 (Notopterus notopterus) to 0.95 for Channa punctatus with a median value of 0.94, five out of a total of seven regressions presented r2 values higher than 0.90. All linear regressions were highly and statistically significant (P<0.001). The objective of study was to evaluate length–weight relations of freshwater fishes of Gomti River in order to help in conservation and management of the riverine population.
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