Effect of stocking density on size heterogeneity and sibling cannibalism in Asian seabass Lates calcarifer (Bloch, 1790) larvae


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Authors

  • K. Sukumaran
  • A. R. Thirunavukkarasu
  • M. Kailasam
  • J. K. Sundaray
  • R. Subburaj
  • G. Thiagrajan

Abstract

The effect of three stocking densities (4, 8, 12 no. l-1) on size heterogeneity, sibling cannibalism and growth of Asian seabass larvae were studied. Fish stocked at the intermediate stocking density (8 no. l-1) recorded the lowest survival (13.73 ± 0.69 %) and highest cannibalism percentage (17.71 ± 5.44 %), while the maximum survival (22.63 ± 4.13) was recorded at the lowest stocking density. Lowest growth rate (334.72 ± 68.26 %) was recorded at the lowest stocking density. Coefficient of variation and size heterogeneity showed a direct relation to stocking density. Some contrasting results observed in the present study have been attributed to the life stage and social nature of species involved.

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Issue

Vol. 58 No. 3 (2011)

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Note

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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

Sukumaran, K., Thirunavukkarasu, A. R., Kailasam, M., Sundaray, J. K., Subburaj, R., & Thiagrajan, G. (2011). Effect of stocking density on size heterogeneity and sibling cannibalism in Asian seabass Lates calcarifer (Bloch, 1790) larvae. Indian Journal of Fisheries, 58(3), 145-147. https://epubs.icar.org.in/index.php/IJF/article/view/11132