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.

[2] This change has not been recognized by FishBase,[1] but it has been adopted by the Catalog of Fishes.