Hexanematichthys is a genus of sea catfishes consisting of three species. Two species occur in the coastal waters in the region of South Asia to Australasia and the third, H. henni, is found in fresh waters in tropical 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