Bothrops moojeni

Bothrops moojeni, commonly known in English as the Brazilian lancehead, is a species of venomous snake in the family Viperidae. It is a pit viper endemic to South America. The specific name, moojeni, is in honor of Brazilian zoologist João Moojen de Oliveira (1904-1985). B. moojeni is found in Argentina, Bolivia, Brazil, and Paraguay. The type locality is Brasília, Distrito Federal, Brazil. B. moojeni inhabits Araucaria moist forests and the Cerrado. B. moojeni is viviparous. In South America common names for B. moojeni include caiçaca, caissaca, caiçara, jacuruçu, and jararação.