Poultry, Fisheries & Wildlife Sciences
Open Access

Abstract

Female Gonadal Histology of Indian River Shad, Gudusia chapra (Hamilton, 1822) – A Tactic of Reproductive Biology.

Basumatary S, Talukdar B, Choudhury H, Kalita HK, Saikia DJ, Mazumder A and Sarma D

The present study deals with histological studies on different maturity stages of female gonad of Indian River Shad, Gudusia chapra collected from the lower reaches of River Brahmaputra, Assam, India during November 2013 to December 2015. The result shows different histological structures of each oocyte developmental stages: The observed seven stages correspond with those described macroscopically for various species of teleost fishes. Stage VI was characterised by ovulated oocyte, which histologically resemble a maturity phase. A high proportion of spawner (55%) was found, together with a relatively low occurrence of juvenile fishes in the each month (22%).