Organophosphates is synthetic pesticides Organophosphates consists of phosphoric acid or thiophosphate esters which are acutely toxic to vertebrates such as fish, birds, lizards and mammals. One example of an organophosphate insecticide is Dursban 200EC with the active ingredient in the form of chlorpyrifos. Goldfish (carp) (Cyprino carpio L.) is a fresh water fish. The survival of goldfish isd…