List of cichlid fish of South America

This is a list of South American cichlid species that are commonly kept by aquarists.

Cichlid species
PicCommon nameSpeciesRegionSizeAggressionLevelDescription
Green TerrorAequidens rivulatusNW South America1 footmoderateBottomMales grow much larger than females
OscarAstronotus ocellatusAmazon Basin and The Guianas18 inchesMidwatercommonly thought to be aggressive, but not really

References

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