The decline of amphibian population is a major environmental issue. Pollution in the aquatic ecosystem by pesticides is considered critical in the conservation of biodiversity. Several studies have reported the toxicological issues and adverse effects of pesticides in aquatic environment and biodiversity. The indiscriminate use of pesticides is considered one of the important factors that change the environment by causing imbalances in the ecosystem, especially in biota of the aquatic system. The present study was done to investigate the effects of two selected pesticide group organophosphate...