Racial structure of Himalayan Mahseer,Tor putitora (Hamilton) in the river Ganga between Rishikesh and Hardwar

Abstract

Study on the racial strucutre of Tor putitora (Hamilton) was conducted in the foothill section of the river Ganga,Correlation cofficient (r)-was  was significant at P<0.005 in all the variables except for distance between pectoral and analfin (DPA) anti pre-anal distance (PAD) during winter in relation to total length and eye diameter (ED) during monsoonin relation to head length which were significant. The F ratio was significant at P<0.05 in all the variables. The populationshowed homogenecityin the sex, season and yearsamples. The statistic r, b and F were high for standard length (SL ) inrelation to total length and post-orbital diatance (POD) in relation to head length.