OSMOREGULATORY ABILITY OF PENAEUS MONODON (FABRICIUS) IN RELATION TO VARYING SALINITIES


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Authors

  • A D Diwan Central Marine Fisheries Research Institute, Cochin - 682 031, India
  • A Laxminarayana Central Marine Fisheries Research Institute, Cochin - 682 031, India
  • V S Kakati Central Marine Fisheries Research Institute, Cochin - 682 031, India

Abstract

Adult Penaeus monodon osmoregulated well between salinities 3 and 45%0 for 24 and 48 hour durationwith isosmotic pOints around .. 5 18.5%0 and .. 5 23.5%0 respectively. A duration of 48 hr is essential forprawns to adjust to the new medium. Influence of eyes talk removal on osmolal concentration of haemolymphwas studied. There was a significant decline in osmolal concentration in destalked prawns from4 to 18hr after eyestalk surgery performance, but later recouping effect was seen. In destalked prawnswhen eyestalk extract was administered, the level of osmolal concentration did not decrease but alwaysremained high throughout the experimental period. Probable reasons for such changes are discussed

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Author Biographies

  • A D Diwan, Central Marine Fisheries Research Institute, Cochin - 682 031, India
    Central Marine Fisheries Research Institute, Cochin - 682 031, India
  • A Laxminarayana, Central Marine Fisheries Research Institute, Cochin - 682 031, India
    Central Marine Fisheries Research Institute, Cochin - 682 031, India
  • V S Kakati, Central Marine Fisheries Research Institute, Cochin - 682 031, India
    Central Marine Fisheries Research Institute, Cochin - 682 031, India

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Issue

Vol. 36 No. 1 (1989)

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

Diwan, A. D., Laxminarayana, A., & Kakati, V. S. (2011). OSMOREGULATORY ABILITY OF PENAEUS MONODON (FABRICIUS) IN RELATION TO VARYING SALINITIES. Indian Journal of Fisheries, 36(1), 53-57. https://epubs.icar.org.in/index.php/IJF/article/view/10608