Studies on the maturation and spawning of Schizothorax curvifrons Heckel from River Jhelum, Kashmir

Abstract

Schizothorax curvifrons spawns once a year during a restricted period, as indicated by the srudies on ova diameter. gonadosomatic index, maturity cycle and the actual spawning of the fish in nature. About 50%' of the female specimens were found to be mature at 250 mm length during spawningsea, Gonadosomatic and gastrosomatic indices bear an inverse relationship to each other. Males and females did not reveal any significant departure from the 1:1 sex ratio.