Makunaima is a genus of freshwater fish in the family Characidae of the order Characiformes.
They are all endemic to freshwater habitats in South America.
This genus was erected in 2020.[1] The species were formerly allocated to Astyanax.
Etymologically, the genus name alludes to "Makunaima" (also transcribed as "Macunaima" or "Makonaima"), the name of a creator god for various ethnic groups in the Amazon.[1]
There are three recognized species in this genus:[2]