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Larval rearing of mud crab, Scylla tranquebarica (Fabricius, 1798) and feeding requirements of its zoea

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Relation http://eprints.cmfri.org.in/2112/
 
Title Larval rearing of mud crab, Scylla tranquebarica (Fabricius, 1798) and feeding requirements of its zoea
 
Creator Maheswarudu, G
Josileen, Jose
Nair, K R Manmadhan
Arputharaj, M R
Ramakrishnan, A
Vairamani, A
Mohan, S
Palanichamy, S
 
Subject Eggs and Larvae
Crabs
 
Description Feeding experiments were conducted with zooplankton to find out the suitable food for zoea1 of the mud crab
Scylla tranquebarica. Zoeae1 from seven berried females, three from wild and four from rematured specimens
were the source material for the present study. The veliger larvae (50-55μm) of pearl oyster and two
species (Pseudodiaptomus spp. and Labidocera spp.) of pelagic copepods (500-1000 μm) were tested as
feed. However, the zoea1 accepted only the former. The feeding activity could be resolved into 5 stages.
Significant role of the serrated caudal setae in prey abrasion into required size suitable to mandibles for
mastication and the size preference of the items of diet in relation to the growth of the mandibles with the
advancement of zoeal stage also have been discussed. In all the 7 feeding experiments that were conducted by
providing rotifer, Brachionus rotundiformis (
 
Publisher MBAI
 
Date 2007
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/2112/1/Maheswarudu_41-46.pdf
Maheswarudu, G and Josileen, Jose and Nair, K R Manmadhan and Arputharaj, M R and Ramakrishnan, A and Vairamani, A and Mohan, S and Palanichamy, S (2007) Larval rearing of mud crab, Scylla tranquebarica (Fabricius, 1798) and feeding requirements of its zoea. Journal of the Marine Biological Association of India, 49 (1). pp. 41-46.