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Some observations on the backwater clam, Meretrix casta (Chemnitz) in the Beypore and Korapuzha estuaries

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Title Some observations on the backwater clam,
Meretrix casta (Chemnitz) in the Beypore and
Korapuzha estuaries
Not Available
 
Creator Seshappa,G
 
Subject backwater clam
Meretrix casta
Beypore
Korapuzha estuaries
 
Description Not Available
The backwater clam, Meretrix casta (Chemnitz), is a bivalve mollusc of
considerable commercial importance and occurs in estuaries and backwaters of both
the east and west coasts of India. Any biological study of this species will therefore
be of interest from the scientific and also the fisheries points of view. Before
the 'fifties Hornell's work seems to be the only instance in the country, of any considerable
interest in this species (Hornell, 1917 and 1921) both from a systematic and
the economic points of view. In 1953 Abraham made some detailed studies on
certain aspects of the biology of the species including a study of the environment
and also the growth rate under natural as well as experimental conditions, based
on material from the Adyar waters near Madras. More recently, Durve (1963 and
1964) made some detailed investigations on the rate of filtration, gonadal changes and
spawning behaviour in the species at Mandapara and Durve and Dharma Raja (1965)
have also studied the dimensional relation in this clam from two localities at Mandapam
and also the probable change of form with growth in one locality (1968).
Reddiah and Mammen (1966) have described the copepod parasites of M. casta
from Adyar. While all this work and the earlier observations of Hornell related in
detail to the east coast material, not much work of a biological nature has so far
been published on this species from the west coast, though Hornell has considered
the west coast also for his systematic researches. Silas and Alagarswami (1965)
have studied a case of parasitism by the peacrab (Pinnotheres sp.) on this clam
at Malpe.
Not Available
 
Date 2021-08-09T09:52:12Z
2021-08-09T09:52:12Z
1967
 
Type Article
 
Identifier Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/54133
 
Language English
 
Relation Not Available
 
Publisher CMFRI/ICAR