Apteronotus is a genus of weakly electric knifefish in the family Apteronotidae, distinguished by the presence of a tiny caudal fin. This genus is restricted to South America.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0