Biology of tuna juveniles occurring along the coromandal coast

Siraimeetan, Pon and Ramaiyan, V and Velayudham, M (1999) Biology of tuna juveniles occurring along the coromandal coast. In: The Fourth Indian Fisheries Forum, Proceedings, 24-28 November, 1996, Kochi .



The Juveniles of tuna Sarda orientalis (Temminck and Schlegel), Euthynnus affinis (Cantor) and Auxis thazard (Lacepede) is dealt. The peak period of occurrence is July-September and the potential ground is of Thirumullaivassal, South of the other two species constituted 68.7 to 90.6% whereas the other two species constituted the rest. The food and feeding habits of these commercially important are described. Length-weight distribution, the spawning season, migratory habits and pattern or recruitment in the tuna fishery described and discussed. Analysis of length-weight data revealed no significant difference between the species and regression coefficient is found to be very close to 3.0.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Biology; tuna juveniles; coromandal coast
Subjects:Pelagic Fisheries > Tuna fisheries
Divisions:CMFRI-Cochin > Marine Capture > Pelagic Fisheries
ID Code:4624
Deposited On:30 Oct 2010 16:00
Last Modified:30 Oct 2010 16:00

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