Reproductive biology of the silver fish, Salmostoma phulo (Ham.), from Lower Manair reservoir, Karimnagar, Andhra Pradesh


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Authors

  • Ravi Shankar Piska Osmania University, Hyderabad, Andhra Pradesh 500 003
  • Sarala Waghray Osmania University, Hyderabad, Andhra Pradesh 500 003
  • M Ravindra Prasad Osmania University, Hyderabad, Andhra Pradesh 500 003

Abstract

Varioui aspects of reproductive biology were studied on 812 Salmostoma phulo (Ham.) fuhet from
Lower Manair reiervoir, Karimnagar, Andhra Pradeih, during 1987-88. Sex ratio wat 2.67:1 (F:M)
and sexes were distributed homogeneously. Relative condition factor (Kn) and gonadosomatic
index (GSI) indicated spawing season and minimum size of maturity. The fecundity varied from 987
to 2 729 ova in 54-87 mm long fishes. Minimum size at maturity was 43 mm for males and 44
mm for females. The number of ova were distributed uniformaly in the entire ovary. The fish spawned
only once in a year, with prolonged breeding season from April to October, peak period being from
July to September. It was a fractional spawner

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Author Biographies

  • Ravi Shankar Piska, Osmania University, Hyderabad, Andhra Pradesh 500 003
    Osmania University, Hyderabad, Andhra Pradesh 500 003
  • Sarala Waghray, Osmania University, Hyderabad, Andhra Pradesh 500 003
    Osmania University, Hyderabad, Andhra Pradesh 500 003
  • M Ravindra Prasad, Osmania University, Hyderabad, Andhra Pradesh 500 003
    Osmania University, Hyderabad, Andhra Pradesh 500 003

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Issue

Vol. 38 No. 3 (1991)

Section

Articles

License

The copyright of the articles published in Indian Journal of Fisheries vests with the Indian Council of Agricultural Research, who has the right to enter into any agreement with any organization in India or abroad engaged in reprography, photocopying, storage and dissemination of information contained in these journals. The Council has no objection in using the material, provided the information is being utilized for academic purpose but not for commercial use. Due credit line should be given to the ICAR where information will be utilized.

How to Cite

Piska, R. S., Waghray, S., & Prasad, M. R. (2011). Reproductive biology of the silver fish, Salmostoma phulo (Ham.), from Lower Manair reservoir, Karimnagar, Andhra Pradesh. Indian Journal of Fisheries, 38(3), 157-164. https://epubs.icar.org.in/index.php/IJF/article/view/10395