Sangita Priyadarshnia, Dinesh Yadava & Arun Kumarb*
aDepartment of Zoology, T. P. College, B. N. Mandal University, Madhepura, Bihar, India
bUniversity Department of Zoology, B. N. Mandal University, Madhepura, Bihar, India
Received : 19th June, 2022 ; Revised : 24th July, 2022
Abstract– Malathion is a nonsystemic, wide-spectrum organophosphate insecticide very common in Madhepura in crops. The insecticides also flow into the water bodies and effecting the aquatic organisms. In the present investigation, toxicity has been studied on Labeo rohita, the favourite fish of the region. Malathion has been found to be highly toxic to various non-targeted aquatic organisms, including fish. Contributing factor to the sensitivity of fish to malathion exposure seems to be its high rate of gill absorption due to lipophilicity. The main mode of its action is neurotoxicity, and its capacity to induce oxidative stress or alteration of antioxidant system and lipid peroxidation.
Key words: Acute, chronic, pesticides, toxicity, Labeo rohita
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