Abstract

The present investigation has been designed to study the effect of sublethal concentrations of Chlorpyrifos on the behavior and serum biomolecules of Heteropnetues fossilis (Bloch) after exposure to 96 hours. The present study shows that behavioural alterations such as alternation in opercular movements, surfacing, swimming, jumping, and mucous secretion. Serum biomolecules such as glucose, protein, triglyceride, cholesterol and urea were significantly increased in Chlorpyrifos exposed fish. The response of the fish towards toxicity of chlorpyrifos was grossly dependent on concentration and length of exposure. Thus, this paper gives an overview of the manipulation of fish, Heteropnetues fossilis as a biomarker of pesticides through alternation in behavior and biochemical parameters.

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