Original description as Crenicichla cyanonotus:
ZooBank:A61EDEE4-C621-45D2-8DF0-BCD9723E3201.
- Cope, Edward D. 1871. "Contribution to the ichthyology of the MaraƱon". Proceedings of the American Philosophical Society. v. 11; pp. 559-570 (crc00071)
Conservation: Crenicichla cyanonotus is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.