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Reproductive biology of <i style="mso-bidi-font-style:normal">Etroplus suratensis </i>(Bloch) from the Vembanad wetland system, Kerala

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Title Reproductive biology of Etroplus suratensis (Bloch) from the Vembanad wetland system, Kerala
 
Creator Bindu, L
Padmakumar, K G
 
Subject Etroplus suratensis
Biology
Fecundity
Asynchronous spawner
 
Description 646-654
In the present study, data on sex ratio,
maturity, Gonadosomatic index, fecundity and oocyte distribution of the
pearlspot, Etroplus suratensis, were
evaluated. Samples were collected from the landings of Vembanad lake during
2002 - 2004.
Male-female ratio was found to be 1:0.8. Maximum GSI in male and female was 1.45 and 4.43 respectively. L50
was 19.5 cm in case of males and 20.0 cm in case of females. Absolute
fecundity, varied between 874 and 7554 with an average of 2748. Fish is an
asynchronous spawner with different clutches of ova, varied between 0.25 to
2.75 mm.
 
Date 2014-04-23T10:47:20Z
2014-04-23T10:47:20Z
2014-04
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/28655
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.43(4) [April 2014]