Description An Amatitlania nigrofasciatus male.
Date
Source https://pl.wikipedia.org/wiki/Image:Archocentrus_zebra_female.jpg
Author S. Olkowicz - User Hippocampus on pl.wikipedia
Source: https://commons.wikimedia.org/wiki/File:Archocentrus_nigrofasciatus_female.jpg

The convict cichlid (Amatitlania nigrofasciata) is a fish species from the family Cichlidae, native to Central America, also known as the zebra cichlid. Convict cichlids are popular aquarium fish and have also been the subject of numerous studies on fish behaviour. Order: Perciformes, Family: Cichlidae, Subfamily: Cichlasomatinae.