Výskyt
Jižní Amerika — Kolumbie, Guaviare, horní tok Río Vaupes, povodí Amazonky. Obývá čiré mělké pomalu tekoucí potoky s písčitým dnem.
Typová lokalita
Caño La Ocho, Río Itilla, tributary of the Río Vaupés, Calamar, Guaviare, Colombia, 2°00'18.4"N, 72°53'18.3"W, elevation 270 meters.
Velikost
3,4 cm SL.
Původní popis
Lima, F. C. T., Urbano-Bonilla, A. & Prada-Pedreros, S. 2020. A new Hemigrammus from the upper Río Vaupés, Colombia (Characiformes: Characidae), with a discussion on the presence of an enlarged urogenital papilla in the family. Journal of Fish Biology v. 96 (no. 4): 868-876.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2025. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.
Lima, F. C. T., Urbano-Bonilla, A. & Prada-Pedreros, S. 2020. A new Hemigrammus from the upper Río Vaupés, Colombia (Characiformes: Characidae), with a discussion on the presence of an enlarged urogenital papilla in the family. Journal of Fish Biology v. 96 (no. 4): 868-876.