Oreolalax rugosus (Chaochiao lazy toad or warty toothed toad) is a species of amphibian in the family Megophryidae.It is endemic to China where it can be found in the Hengduan Mountains in southern Sichuan and northern Yunnan provinces.[1] Its natural habitats are subtropical moist montane forests and rivers. It is threatened by habitat loss.
Male Oreolalax rugosus grow to about 47mm in snout-vent length and females to about 50mm. Tadpoles are 67mm in length.[2]