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Comparative acute toxicities of selected pesticides to Anguilla anguilla.

Authors
Type
Published Article
Journal
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes
Publication Date
Volume
26
Issue
5-6
Pages
491–498
Identifiers
PMID: 1723417
Source
Medline

Abstract

The acute toxicities (24, 48, 72 and 96 hr) of eight pesticides to Anguilla anguilla were determined. The organochlorine pesticide, endosulfan was the most toxic, with LC50 values in the range of 0.042 to 0.041 mg/L. Endosulfan was followed in order of decreasing toxicity by diazinon, fenitrothion, chlorpyrifos, lindane, methidathion, trichlorfon and methylparathion. When fishes were exposed to the pesticides tested they exhibited signs of restlessness, erratic swimming, convulsions and difficulty in respiration. This response was more persistent in fishes exposed to organophosphorus pesticides.

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