Original description as Crenicichla proteus:
ZooBank:AE71464D-7669-4E32-9059-B0CD51F523F7.
- Cope, Edward D. 1872. "On the Fishes of the Ambyiacu River". Proceedings of the Academy of Natural Sciences of Philadelphia. pp. 250-294 (crc00074)
Synonyms (2):
- Crenicichla proteus argynnis Cope, 1872, with type locality at Río Ambyiacu, Peru. Determiner: Kullander, 1986
- Crenicichla proteus argynnis Cope, 1872, with type locality at Río Ambyiacu, Peru. Determiner: Kullander, 1986
- Batrachops nemopterus Fowler , 1940, with type locality at Contamana, Río Ucayali basin, Peru. Determiner: Kullander, 1986
- Crenicichla nijsseni Ploeg, 1991, with type locality at Açude Carlos Simao, Rio Branco, Rio Japurá system, Acre, Brazil. Determiner: Kullander, 2003
Conservation: Crenicichla proteus is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.