Rheoheros is a genus of cichlids. These freshwater fish are found in the Atlantic slope of Mexico and Guatemala in moderately to fast-flowing waters of the Grijalva-Usumacinta River system.[1] Depending on species, they reach up to 12โ25 cm (4.5โ10 in) in length.[3]
Species
There are currently 2 recognized species in this genus:[1][3]