The
ram cichlid,
Mikrogeophagus ramirezi, is a species of
freshwater fish endemic to the
Orinoco River basin, in the
savannahs of
Venezuela and
Colombia in South America. The species has been examined in studies on fish behaviour and is a popular
aquarium fish, traded under a variety of
common names, including
ram,
blue ram,
German blue ram,
Asian ram,
butterfly cichlid,
Ramirez's dwarf cichlid,
dwarf butterfly cichlid and
Ramirezi. The species is a member of the
family Cichlidae and subfamily
Geophaginae.