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Current Trends in Science and Technology

an Open Access Publication ISSN: 0976-9730 | 0976-9498

Life Science

Reproductive Biology of Liza Parsia from Ashtamudi Lake, Kollam, Kerala, India

Razeena Karim L
1P G Department of Zoology, Fatima Mata National College , Kollam, kerala , India *Corresponding author email: razeenashibili@rediffmail.com
Online First: December 24, 2017
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Abstract

Reproductive characteristics of Liza parsia from three sites of Ashtamudi lake of Kollam district of kerala,India showed that the male reached the first sexual maturity than the female. Sex ratio showed that the female outnumbered the male in all the three sites. GSI of the female and male Liza parsia was found to be maximum during the month of February and December. The maturity stages of the male and female Liza parsia were morphologically separated according to changes in colour, size and shape of the gonad in different successive stages. These stages are Immature, maturing, mature, ripe and spent. The species was found to be spawn for several months with peak extended from November to December. Another major finding of this study was the decline in the GSI of the site 2 which is the waste dumping site in the kollam district which clearly indicated the  influence of pollution on the reproductive biology of fish.

Keyword : Liza parsia, Reproductive biology, Gonadosomatic index, sex ratio, Ashtamudi Lake

  Submitted
Dec 24, 2017
Published
Dec 24, 2017
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