Elachistocleis erythrogaster is a species of frog in the family Microhylidae. It is endemic to Brazil. Its natural habitats are moist savanna, subtropical or tropical seasonally wet or flooded lowland grassland, intermittent freshwater marshes, and pastureland. It is threatened by habitat loss. References Sources erythrogaster Endemic fauna of Brazil Amphibians of Brazil Taxonomy articles created by Polbot Amphibians described in 1999 Fauna of the Atlantic Forest