Acute toxicity of Zn, Pb and Cd in the freshwater catfish Mystus vittatus (Bloch)


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Authors

  • L M Rao Department of Zoology, Andhra University, Visakhapatnam - 530 003, India
  • R Manjula Sree Patnaik Department of Zoology, Andhra University, Visakhapatnam - 530 003, India

Abstract

Acute toxicity tests of 96, 72, 48 and 24 hrs for the heavy metals Zn, Pb and Cd in the fresh water catfish Mystus vittatus were conducted. It was observed that increase in the concentration of metal reduced the duration to kill 50 % of test organisms. The toxicity ranking for the three heavy metals was Cd>Pb>Zn. Behavioural changes were also observed in the test organisms exposed to metals.

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Author Biographies

  • L M Rao, Department of Zoology, Andhra University, Visakhapatnam - 530 003, India
    Department of Zoology, Andhra University,
    Visakhapatnam - 530 003, India
  • R Manjula Sree Patnaik, Department of Zoology, Andhra University, Visakhapatnam - 530 003, India
    Department of Zoology, Andhra University,
    Visakhapatnam - 530 003, India

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Issue

Vol. 44 No. 4 (1997)

Section

Note

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, L. M., & Patnaik, R. M. S. (2011). Acute toxicity of Zn, Pb and Cd in the freshwater catfish Mystus vittatus (Bloch). Indian Journal of Fisheries, 44(4), 405-408. https://epubs.icar.org.in/index.php/IJF/article/view/8830