Bolivian ram /Mikrogeophagus altispinosus

''Mikrogeophagus altispinosus'' is a species of fish endemic to the Amazon river basin, in Brazil and Bolivia respectively. The species is part of the family Cichlidae and is included in subfamily Geophaginae. It is a popular aquarium fish, traded under the common names of Bolivian butterfly, Bolivian ram and Ruby crown cichlid.