Original description as Centropomus armatus:
- Gill, Theodore Nicholas. 1863. "Descriptive enumeration of a collection of fishes from the western coast of Central America, presented to the Smithsonian Institution by Captain John M. Dow". Proceedings of the Academy of Natural Sciences of Philadelphia. 15:162-174 (ffm00290)
- Centropomus brevis Günther, 1864, with type locality at Tropical America. Determiner: Rivas, 1986
- Centropomus atridorsalis Regan, 1903, with type locality at Río Vaqueria near La Tola, northwestern Ecuador. Determiner: Rivas, 1986
Conservation: Centropomus armatus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2019).