Abstract

IQBAL-MIR, Javaid; KUMAR-SARKAR, Uttam; PRAKASH-GUSAIN, Om  and  KUMAR-DWIVEDI, Arvind. Length-weight relationships of the Indian Major Carp, tabeo rohita (Cypriniformes: Cyprinidae) from six drainages of Ganga basin, India. Cuadernos de Investigación UNED [online]. 2015, vol.7, n.1, pp.71-78. ISSN 1659-4266.

The Indian Major Carp, Labeo rohita, is a geographically widespread and economically important food fish species in tropical freshwater of India and adjacent countries. We studied the length-weight relationships of 1 033 specimens collected from the main channel of Ganga river and its five major drainages from March 2009 to July 2012. The length of males ranged from 16 to 92cm (females: 16 to 94cm). The growth is allometric positive (b>3) for males, females and pooled sexes. The coefficient of determination (r2) in males ranged from 0,978 to 0,989 and for females from 0,958 to 0,985. Data from field populations are scarce and our results will be useful in the manage ment and conservation of L. rohita populations in its natural range.

Keywords : LWR; Ganga basin; growth; wild; India.

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