Growth and population parameters of the spade nose shark, Scoliodon laticaudus from Calicut coast


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Authors

  • P Devadoss Madras Research Centre of Central Marine Fisheries Research Institute, Madras - 600 006, India

Abstract

von Bertalanffy's growth equation was used to describe growth of Scoliodon laticaudus Muller and Henle. The L , K and t^ values estimated were 715 mm, 0.3580, and 0.590 for females and 676 mm° 0.4046 and 0.590 for males respectively. Females grow larger and live longer than males. The overall sex ratio was 1 : 1.31, the females predominating, more so from 551-600 mm size group onwards. The average estimated annual catch was 14.4 tonnes at the existing F value of 0.73.

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Author Biography

  • P Devadoss, Madras Research Centre of Central Marine Fisheries Research Institute, Madras - 600 006, India
    Madras Research Centre of Central Marine Fisheries Research Institute,
    Madras - 600 006, India

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Issue

Vol. 45 No. 1 (1998)

Section

Articles

License

The copyright of the articles published in Indian Journal of Fisheries vests with the Indian Council of Agricultural Research, who has the right to enter into any agreement with any organization in India or abroad engaged in reprography, photocopying, storage and dissemination of information contained in these journals. The Council has no objection in using the material, provided the information is being utilized for academic purpose but not for commercial use. Due credit line should be given to the ICAR where information will be utilized.

How to Cite

Devadoss, P. (2011). Growth and population parameters of the spade nose shark, Scoliodon laticaudus from Calicut coast. Indian Journal of Fisheries, 45(1), 29-34. https://epubs.icar.org.in/index.php/IJF/article/view/8762