1. CarpCharacin

    South American Rio Negro Chocolate Cichlid species profile

    They can live for 5-8 years with proper care. Males grow larger than females, and males may develop nuchal humps.
  2. Chocolate Cichlid species profile

    South American Chocolate Cichlid species profile

    Can live for 5-8 years. Mature males have a nuchal hump and are larger than females. By Christie - originally posted to Flickr as IMG_5910 229, CC BY 2.0,