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International Journal of Fisheries and Aquatic Studies
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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2014, Vol. 1, Issue 6, Part D

Acute toxicity of nickel to Heteropneustes fossilis (Bloch)


Author(s): Mukul Sinha and Sadguru Prakash

Abstract: In the present study, Heteropneustes fossilis was exposed to Nickel for 24, 48, 72 and 96 hrs. The median lethal concentration (LC50) of nickel to Heteropneustes fossilis for 24, 48, 72 and 96 h of exposure were 10.66 mg/l, 8.708 mg/l, 7.431 mg/l and 6.005 mg/l, respectively. The heavy metal, nickel produced lethality at smaller doses. Behavioural responses like rapid opercular movement and frequent gulping of air was observed during the initial stages of exposure after which it became occasional. All these observations can be considered to monitor the quality of aquatic ecosystem and severity of pollution.

Pages: 247-249  |  97 Views  4 Downloads

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How to cite this article:
Mukul Sinha, Sadguru Prakash. Acute toxicity of nickel to Heteropneustes fossilis (Bloch). Int J Fish Aquat Stud 2014;1(6):247-249.
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