52199 Heros efasciatus Heckel, 1840 Cichlidae Cichlids Cichlinae Cichliformes Teleostei South America: Amazon River basin, in tributaries of the Ucayali and Amazon rivers in Peru, and the Solimões-Amazon River in Brazil. AMNH 88845 Heros appendiculatus AMNH 77595 1965 Heros appendiculatus AMNH 78091 1987 Heros appendiculatus AMNH 229160 1998 Heros appendiculatus AMNH 229348 1998 Heros appendiculatus AMNH 229477 1998 Heros appendiculatus