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 12–25 cm (4.5–10 in) in length.[3]
There are currently 2 recognized species in this genus:[1][3]
{{cite journal}}
: CS1 maint: uses authors parameter (link) 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. Depending on species, they reach up to 12–25 cm (4.5–10 in) in length.