Melanophryniscus is a genus of toads in the family Bufonidae. They are found in northern half of Argentina, southern Bolivia, southern Brazil, Paraguay, and Uruguay. Common name South American redbelly toads has been coined for them.
The Carchi Andes toad is a species of toad endemic to the western slopes of the Andes in northern Ecuador and southern Colombia. It is listed as an endangered species due to a restricted range and habitat loss.
Nannophryne cophotis, or the Paramo toad, is a species of toad in the family Bufonidae that is endemic to northern Peru. Its natural habitats are puna grassland, high-altitude plateaus, and dry scrubland; it also occurs agricultural land. It breeds in temporary small ponds and permanent shallow streams at altitudes of 2000-4100 meters asl. Individuals have not been recorded since 2005, after what was believed to be a severe decline in its population. It was last known from: Granja Porcón & El Empalme (1999-2000); La Libertad (2003); Ancash (2004); and Cajamarca (2005). If a population exists it is believed to have 0-49 individuals remaining threatened from loss of habitat, pollution, conversion of land for farming, small and large-scale mining concessions, and the modification of waterways.
Rhinella dorbignyi is a South American species of toad in the family Bufonidae. The specific name, dorbignyi, is in honor of French naturalist Alcide d'Orbigny. Its common name is d'Orbigny's toad or Dorbigny's toad [sic].
Rhinella scitula is a species of toads in the family Bufonidae. It is found in the southwestern Mato Grosso do Sul, Brazil, and in the adjacent southeastern Paraguay.
Dendrophryniscus berthalutzae is a species of toad in the family Bufonidae. It is endemic to southeastern Brazil where it is found in the coastal plain of Santa Catarina and Paraná states.
Melanophryniscus atroluteus is a species of toad in the family Bufonidae. It is found in northeastern Argentina, Uruguay, southern Paraguay, and southern Brazil. While in the past it was considered a subspecies of Melanophryniscus stelzneri, it might rather be conspecific with Melanophryniscus montevidensis. Common name Uruguay redbelly toad has been coined for it.
Melanophryniscus cambaraensis is a species of toad in the family Bufonidae. It is endemic to Brazil. Its natural habitats are subtropical or tropical moist lowland forests, moist savanna, subtropical or tropical seasonally wet or flooded lowland grassland, rivers, intermittent freshwater marshes, and canals and ditches. It is threatened by habitat loss.
Melanophryniscus cupreuscapularis is a species of toad in the family Bufonidae. It is endemic to Argentina. Its natural habitats are subtropical or tropical moist shrubland, subtropical or tropical seasonally wet or flooded lowland grassland, and intermittent freshwater marshes. It is threatened by habitat loss.
Melanophryniscus devincenzii is a species of toad in the family Bufonidae. It is found in Argentina, Uruguay, possibly Brazil, and possibly Paraguay. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical seasonally wet or flooded lowland grassland, intermittent rivers, rocky areas, and plantations. It is threatened by habitat loss.
Melanophryniscus fulvoguttatus is a species of toad in the family Bufonidae. It is found in Argentina, Brazil, and Paraguay. Its natural habitats are subtropical or tropical moist shrubland, subtropical or tropical seasonally wet or flooded lowland grassland, and intermittent freshwater marshes. It is threatened by habitat loss.
Melanophryniscus klappenbachi is a species of toad in the family Bufonidae. It is found in the Gran Chaco in northern Argentina, Paraguay, and Brazil, and possibly in Bolivia. Its specific name refers to Miguel Angel Klappenbach, a Uruguayan zoologist.
Melanophryniscus macrogranulosus is a species of toad in the family Bufonidae. It is endemic to northeastern Rio Grande do Sul, southern Brazil. It was for a long time only known from the type series collected in 1960, until another population was discovered in 2004. This was followed by the rediscovery of population at the type locality as well as few other populations, all in Rio Grande do Sul. Its common name is Torres redbelly toad, after the type locality.
Melanophryniscus montevidensis, also called Darwin's toad, is a species of toad in the family Bufonidae and the genus Melanophryniscus found in Brazil and Uruguay. Like other amphibians in its genus, its bright colors, defensive behavior, and rapid metamorphosis make it stand out. It also has a myriad of chemical compounds on its skin that could be used in biomedical applications.
Melanophryniscus pachyrhynus is a species of toad in the family Bufonidae. It is known from São Lourenço do Sul in southern Brazil and from Uruguay. Populations in Uruguay were until recently considered a different species and assessed as being vulnerable.
Melanophryniscus simplex is a species of toads in the family Bufonidae.
Melanophryniscus spectabilis is a species of toads in the family Bufonidae. It is known from western Santa Catarina and southern Paraná states, southern Brazil. The specific name spectabilis refers to the showy color pattern of this species.
Melanophryniscus stelzneri, commonly known as the redbelly toad, bumble bee toad or yellow and black walking toad, is a species of toad in the family Bufonidae which is endemic to Argentina. It is present in the pet trade.
Melanophryniscus xanthostomus is a species of toads in the family Bufonidae. It is endemic to the state of Santa Catarina in southern Brazil. The specific name xanthostomus is derived from the Greek words xanthos (=yellow) and stoma (=mouth) and refers to the characteristic yellow stripe along its mouth. It is distinguished from congeneric species based on differences in size; having white and/or yellow spots on its forearms, mouth, belly and cloaca; the pattern and arrangement of warts; and the presence and number of corneous spines.
Melanophryniscus peritus is a species of frog in the family Bufonidae. It is only known from a single specimen collected in 1953, and may be extinct.
