2012. Description of the karyotype of Geophagus cf. proximus (Perciformes, Cichlidae, Geophaginae) - doi: 10.4025/actascibiolsci.v35i1.11711. Acta Scientiarum. Biological Sciences. 35, 1 (ago. 2012), 83–87. DOI:https://doi.org/10.4025/actascibiolsci.v35i1.11711.