Original description as Petenia splendida:
- Günther, Albert C. L. G. 1862. "Catalogue of the fishes in the British Museum. Catalogue of the Acanthopterygii, Pharyngognathi and Anacanthini in the collection of the British Museum". Catalogue of the fishes in the British Museum. Vol 4; i-xxi + 1-534 (ffm00035)
Conservation: Petenia splendida is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2018). Populations of P. splendida seem secure in their natural distribution.