Pelophryne guentheri is a species of toad in the family Bufonidae. It is endemic to Borneo and only known from the lowlands of Sarawak, Malaysia, though it is likely to occur also in Sabah (Malaysia) and northeastern Kalimantan (Indonesia). Its natural habitats are tropical moist lowland forests and intermittent freshwater marshes. It is threatened by habitat loss. References Pelophryne Amphibians of Malaysia Endemic fauna of Borneo Endemic fauna of Malaysia Amphibians described in 1882 Taxonomy articles created by Polbot Amphibians of Borneo