Effects of Malathion Pesticides on Liver and Kidney in Gold Fish (carasius auratus)

Due to the increasing use of pesticides in agriculture and the entry of pollutants into water sources, toxins cause serious problems in aquatics such as fish. The effects of Malathion on liver and kidney were studied in aquarium this toxin is also used in agriculture and easily through the water is flowing into the ponds. In this study, concentrations of pesticides were used in the four treatments; the treatments consisted of a concentration of 0.1, 0.01, 0.001 and control group. There were 20 fish and 30 liters of water per aquarium and all conditions were the same for four aquarium. After 2, 4 and 6 days of liver and kidney were taken pathology samples, Hepatic necrosis, hemorrhage and pathologic hypertrophy was seen in slides, the deterioration in renal proximal and distal tubes and bleeding, degeneration was seen in kidney tubes This study concluded that gold fish were exposed to different sub lethal doses of Malathion may cause necrosis and destruction of cells in vital organs.