Original description as Dionda melanops:
- Girard, Charles Frederic. 1856. "Researches upon the cyprinoid fishes inhabiting the fresh waters of the United States, west of the Mississippi Valley, from specimens in the museum of the Smithsonian Institution". Proceedings of the Academy of Natural Sciences of Philadelphia. 8:165-213 (ffm04542)
- Dionda couchi Girard, 1856, with type locality at Río San Juan, Guajuco, Monterey and Cadereita, Nuevo Leon State, Mexico. Determiner: Mayden et al., 1992
Conservation: Dionda melanops is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2018).