Crenicichla cyanonotus is a species of cichlid native to South America. It is found in the Amazon River basin in Peru and western Brazil. This species reaches a length of .
References
- Kullander, S.O., 1986. Cichlid fishes of the Amazon River drainage of Peru. Department of Vertebrate Zoology, Research Division, Swedish Museum of Natural History, Stockholm, Sweden, 394 p.