నైరూప్య

Growth rate determination of the endangered mahseer, tor tor (hamilton 1822) from the bundelkhand region, central India.

Prakash Nautiyal, Amitabh Chandra Dwivedi*

Mahseer, various species of which abound in pristine clear waters of hill streams, rapids and fast flowing rivers, face numerous anthropogenic pressures their range of distribution. Age composition was recorded by obtaining samples of Tor tor during 2003-2004 from the market along the rivers Ken, Paisuni and Tons (Bundelkhand region). The age of fishes was recorded to be 6+ in the Ken and Paisuni rivers while 8+ in the Tons river. The mean length for in 1+ age was 20.2, 22.8 and 20.8 cm for the Ken, Paisuni and Tons rivers, respectively. The Paisuni river more is hence suitable for growth of T. tor. The formation of growth ring occurred annually.