Original description as Haplochromis mandibularis:
ZooBank:64DB2662-9DC2-43B9-9C31-62DA37C4C811.
- Greenwood, Peter Humphry. 1962. "A Revision of the Lake Victoria Haplochromis Species (Pisces, Cichlidae), part V". Bulletin of the British Museum (Natural History) Zoology Series. v. 9; n. 4; pp. 139-214 (crc01021)
Conservation: Haplochromis mandibularis is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2010).