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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue May 2019, 40 (3)                                     Back

nstantaneous and historical temperature effects on a-pinene

Reproductive and breeding biology of Schizothorax labiatus, a snow trout found in River Jhelum, Kashmir


Paper received: 18.01.2018??????? ???????????????????? Revised received: 13.07.2018??????? ?????????????? Re-revised received: 18.08.2018????????? ????????????????????? Accepted: 17.11.2018



Authors Info

I. Farooq1,2, F.A. Bhat2*, M.H. Balkhi3, T.H. Shah2, B.A. Bhat4, S. Qadri2, S. Talia5, S. Aalia3 and P.A. Ganie6?    


1Krishi Vigyan Kendra Budgam, Sher-e-Kashmir University of Agricultural Sciences & Technology of Kashmir, Kashmir-191 111, India

2Division of Fisheries Resource Management,

3Division of Aquatic Env. Management,

4Division of Fishery Extension, Faculty of Fisheries, SKUAST, Kashmir-190 006, India

5National Fish Seed Farm, Manasbal Kashmir, Department of Fisheries, Kashmir-190 001, India

6ICAR-Directorate of Coldwater Fisheries Research, Bhimtal- 263 136, India



*Corresponding Author Email :







Aim: Schizothorax labiatus is one of the economically valuable food fish among indigenous schizothoracids (snow trouts), inhabiting the Jhelum River system in Kashmir along with other snow trouts of family Cyprinidae. The present study was conducted to understand and bring forward various reproductive traits of S. labiatus inhabiting River Jhelum.    


Methodology: The investigation was carried on 310 samples (221 males and 89 females) with total length and total weight ranging between 143 to 350 mm and 62 to 449 g, respectively, for a period twelve months.


Results: Gonadosomatic index (GSI) was recorded maximum during April for both males (6.19) and females (11.12), indicating that the fish fully matures during this month and spawns during coming months i.e., May when the GSI values start decreasing abruptly. The average values of absolute and relative fecundity in the fish were recorded per gm body weight as 10323 and 42, respectively. Sex ratio was found in 1:0.41 ratio, indicating a significant dominance of males over opposite sex and Lm, i.e., length at first maturity was estimated to be 196 mm and the corresponding age at this length was 2+ years. ??????


Interpretation: The fish breeds once in a year in natural/wild habitat. These findings on reproductive biology of the endemic snow trout, and the influence of environmental conditions on breeding biology will serve as a baseline data towards planning seed production and conservation strategies.


Key words: Breeding biology, Fecundity, Gonadal cycle, Schizothorax labiatus




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