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INTRODUCTION: The organochlorine pesticide endosulfan (6,7,8,9,10,10-Hexachloro-1,5,5a,6,9,9a-hexahydro-6,9-methano-2,4,3-benzodioxathiepin-3-oxide) could be a chlorinated hydrocarbon which is considered the most toxic pesticides for marine existence, especially fish, and...