Original description as Tilapia placida:
ZooBank:B51B67CC-E366-41CA-A962-6728E01F51B1.
- Trewavas, Ethelwynn. 1941. "Nyasa fishes of the genus Tilapia and a new species from Portuguese East Africa". Annals and Magazine of Natural History. Series 11:294-306 (crc01144)
Sub-species:
Conservation: Oreochromis placidus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2007).