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Some observations on the spawning behaviour of mackerel

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Relation http://eprints.cmfri.org.in/2043/
 
Title Some observations on the spawning
behaviour of mackerel
 
Creator Vijayaraghavan, P
 
Subject Fish breeding
Fish behaviour
 
Description Past investigations have shown that the Indian mackerel has a prolonged
spawning season which extends approximately to four or five months
(Devanesan and Chidambaram, 1948; Chidambaram et al, 1952;
Bhimachar and George, 1952; Sekharan, 1958). During this period it is
believed that the eggs are spawned in a number of successive batches though,
so far, there has been no definite proof of it. From the patchiness of distribution
of the transparent ova in the ovary Pradhan (1956) had suggested,
that only a small percentage of the ova mature each time. Subsequently,
more information was brought forth by Sekharan (1958) which indicated
the possibihty that the ova are ripened and released in batches. The following
is a discussion of the observations on the ovaries of mackerel collected
from Portonovo which lend further support to this inference though, however,
in regard to certain details Sekharan's observations appear to be somewhat
different.
 
Publisher CMFRI/ICAR
 
Date 1962
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/2043/1/Article_16.pdf
Vijayaraghavan, P (1962) Some observations on the spawning behaviour of mackerel. Indian Journal of Fisheries, 9A (2). pp. 647-652.