Nannacara is a genus of small freshwater cichlid fish endemic to South America. The genus is part of the Cichlasomatini tribe of the Cichlasomatinae subfamily. In the aquarium hobby, the fish is considered a dwarf cichlid along with Apistogramma, Mikrogeophagus, and Dicrossus species. Nannacara anomala is the most commonly encountered species in the aquarium trade.
There are currently six recognized species in this genus:
In a book published in 2006, Nannacara adoketa and Nannacara bimaculata were reassigned to the new genus Ivanacara.[1] This change has not been recognized by FishBase, but it has been adopted by the Catalog of Fishes.[2]