Typová lokalita
Headwaters of Ann Chaung drainage, ca. 19 kilometers east by south of Ann, 19°43'N, 94°11'E, Rakhine state, Myanmar.
Původní popis
Ng, H. H. 2008. Akysis vespertinus, a new species of catfish from Myanmar (Siluriformes: Akysidae). Ichthyol. Explor. Freshwaters, Vol. 19, No. 3, pp. 255-262.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2024. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.