Angelfish are cataloged in one of the largest families of vertebrates on Earth. The family Cichlidae encompasses over 1,300 scientifically identified species in 220 different genera. Previously undiscovered species are being classified to this family every year. It is highly possible that there may be as many as 3,000 individual species that fall within the scientific classification of this family. The family Cichlidae, referred to in laymen’s terms as cichlids, also includes oscars, discus and tilapias. Many sources will indicate that angelfish are indigenous to the Amazon River in Brazil. While this is true, this species can also be found in the Orinoco River and Essequibo River systems. Angelfish populations are common throughout Guyana, Venezuela, and Columbia as well as Brazil.