Original description as Haplochromis obtusidens:
- Trewavas, Ethelwynn. 1928. "Descriptions of five new cichlid fishes of the genus Haplochromis from Lake Victoria". Annals and Magazine of Natural History. Series 10; pp. 93-95 (crc00362)
Conservation: Haplochromis obtusidens is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2010).