SEASONAL OCCURRENCE OF PENAEUS SEMISULCATUS DE HAAN, PANULIRUS POLYPHAGUS (HERBST) AND PORTUNUS (P.) PELAGICUS (LINN.) IN THE COCHIN BACKWATER


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Authors

  • P Vedavyasa Rao Central Marine Fisheries Research lnstitllte, Cochin
  • M Kathirvel Central Marine Fisheries Research lnstitllte, Cochin

Abstract

Distribution al1d abundance of Penaells selllislilcallls de Haan and Porlll/llls (PorIUl/lls)
pelagiclis (Linnaeus) in relation to salinity and temperature variations in Cochin backwater
have been studied. These species disappear from this environment in July, when
the salinity and the temperature decrease and reappear again in November-December
when the values of these factors increase. As compared to the related species of commercial
penaeid prawns and portunid crabs occurring in the backwaters, these species
to be less euryhaline. The appear interesting phenomenon of occurrence of post-larval
stages of the truly marine spiny lobster, POllldims polypflaglls (Herbst) in these estuarine
and juvenile waters is also reported here for the first time.

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Author Biographies

  • P Vedavyasa Rao, Central Marine Fisheries Research lnstitllte, Cochin
    Central Marine Fisheries Research lnstitllte, Cochin
  • M Kathirvel, Central Marine Fisheries Research lnstitllte, Cochin
    Central Marine Fisheries Research lnstitllte, Cochin

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Issue

Vol. 18 No. 1 & 2 (1971)

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

Rao, P. V., & Kathirvel, M. (2011). SEASONAL OCCURRENCE OF PENAEUS SEMISULCATUS DE HAAN, PANULIRUS POLYPHAGUS (HERBST) AND PORTUNUS (P.) PELAGICUS (LINN.) IN THE COCHIN BACKWATER. Indian Journal of Fisheries, 18(1 & 2), 129-134. https://epubs.icar.org.in/index.php/IJF/article/view/13171