Original description as Sarotherodon angolensis:
ZooBank:FDDBA780-D4A9-4C90-8BA1-201C5837AC14.
- Trewavas, Ethelwynn. 1973. "A new species of cichlid fishes of rivers Quanza and Bengo, Angola, with a list of the known Cichlidae of these rivers and a note on Pseudocrenilabrus natalensis Fowler". Bulletin of the British Museum (Natural History) Zoology Series. 25(1):27-37 (crc01007)
Conservation: Oreochromis angolensis is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2007).