Original description as Centropomus medius:
- Günther, Albert C. L. G. 1864. "Report of a collection of fishes made by Messrs. Dow, Godman, and Salvin in Guatemala". Proceedings of the Zoological Society of London. 1864, pp. 144-154 (ffm00137)
- Centropomus grandoculatus Jenkins & Evermann, 1889, with type locality at Guaymas, Sonora, western Mexico. Determiner: Rivas, 1986
Conservation: Centropomus medius is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2018).