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Length–weight, length–length relationships and feeding habits of wild Indus Mahseer, Tor macrolepis , from Attock, Pakistan
Author(s) -
Pervaiz K.,
Iqbal Z.,
Mirza M. R.,
Javed M. N.,
Naeem M.,
Ishtiaq A.
Publication year - 2012
Publication title -
journal of applied ichthyology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.392
H-Index - 62
eISSN - 1439-0426
pISSN - 0175-8659
DOI - 10.1111/j.1439-0426.2012.01953.x
Subject(s) - biology , indus , zoology , paleontology , structural basin
Summary In this study the length–weight (LWR) and length–length relationships (LLR) were carried out for Indus Mahseer, Tor macrolepis, from the Haro River and Nalah Kala, Attock, Pakistan. A total of 118 specimens were used to estimate the relationship parameters. The results of LWR (W = a TL b ) from five different sites indicated W = 0.0044 TL 3.14 , W = 0.0054 TL 3.08 , W = 0.0059 TL 3.21 , W = 0.0076 TL 3.12 , and W = 0.0107 TL 2.99 , respectively, with an overall value of W = 0.0100 TL 2.94 . All regressions for LLR were highly significant (P ≤ 0.001), with coefficient of determination ( r 2 ) values of > 0.90. All relationships for LWR and LLR were found to be isometric. T. macrolepis is principally a herbivorous bottom feeder, mainly feeding on aquatic plants and algae, supplemented by insects.