- Home
- Organization
- History
- Executive Council
- Associate Office-Bearers
- Editorial Board
- Minutes of General Body
- MBAI Chapters
- Constitution/ Bye Law
Visitors count
Journal of the Marine Biological Association of India
Volume 49 Issue 1
Larval rearing of mud crab, Scylla tranquebarica (Fabricius, 1798) and feeding requirements of its zoea
Maheswarudu,G., Josileen Jose, K.R. Manmadhan Nair, M.R. Arputharaj, A. Ramakrishnan,
Abstract
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 (<100 μm), the zoea1 advanced to zoea3/zoea4 or the first crab
stage. The present study is a significant development in narrating the feeding behaviour of zoea1.
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 (<100 μm), the zoea1 advanced to zoea3/zoea4 or the first crab
stage. The present study is a significant development in narrating the feeding behaviour of zoea1.
Keywords
Larval rearing, feeding requirements, zoea1, mud crab, Scylla tranquebarica
Date : 20-02-2008
Contact us
The Marine Biological Association of India
PB No. 1604, CMFRI Campus,
Cochin - 682018, Kerala State, India
Tel : +91 484 2394420, 2394867
Fax : +91 484 2394909
Email : mail@mbai.org.in
Web : http://mbai.org.in
Founding Address
The Marine Biological Association of India C/o Mandapam Regional Centre of CMFRI Marine Fisheries P. O, Mandapam Camp, Ramanathapuram District, Tamil Nadu- 623 520
Quick Links
MBAI © The Marine Biological Association of India. All Rights Reserved