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A preliminary study of growth in Cerithidea (Cerithweopsilla) fluviatilis (Potiez and Michaud), (Prosobranchia-Gastropoda)

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Relation http://eprints.cmfri.org.in/6800/
 
Title A preliminary study of growth in Cerithidea (Cerithweopsilla) fluviatilis (Potiez and Michaud), (Prosobranchia-Gastropoda)
 
Creator Ramamoorthi, K
Alagaraja, K
 
Subject Gastropods
 
Description Observations on the growth of Cerithidea (Cerithideopsilla) fluviatilis in the Vcllar estuary have been
in progress for over six months. Weekly samples were collected and linear measurements were recorded for
a total number of 13,300 specimens. The samples showed unimodal frequency. The heavy aggregation of
young on«s during July and August and the unimodal frequency distribution would indicate that there is only
one breeding season in the year. In the interior parts of inlets and creeks during flood time and at other
times also over-sized specimens above 23 mm. were observed whereas only large number of dead ones infested
with crabs were noticed during flood time in the sampling area. This is apparently due to differential survival,
the over-sized specimens taking shelter in creeks.
 
Date 1968
 
Type Conference or Workshop Item
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/6800/1/a_preliminary_study.pdf
Ramamoorthi, K and Alagaraja, K (1968) A preliminary study of growth in Cerithidea (Cerithweopsilla) fluviatilis (Potiez and Michaud), (Prosobranchia-Gastropoda). In: Proceedings of the symposium on Mollusca, CochinPart II, MBAI, 12-16 January 1968, Cochin.