Creagrutus peruanus is a species of freshwater ray-finned fish, a characin, belonging to the family Stevardiidae.Harold, A.S. and R.P. Vari, 1994. Systematics of the Trans-Andean species of Creagrutus (Ostariophysi: Characiformers: Characidae). Smith. Contrib. Zool. (551):31 p.Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25.
This species reaches a length of . It is endemic to the Apurímac and Urubamba River basins in Peru, from which it receives its name.
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