Original description as Paratilapia prognathus:
ZooBank:1317E0E6-4BC8-44D7-BF08-6B82CA7138E2.
- Pellegrin, Jacques. 1904. "Diagnoses préliminaires de Poissons nouveaux du Lac Victoria, recueillis par M. Alluaud". Bulletin de la Société Zoologique de France. 184-186 (crc00359)
Synonyms (2):
- Haplochromis taeniatus Regan, 1922, with type locality at Entebbe and Kavirondo Bay, Uganda, Lake Victoria. Determiner: Ufermann et al., 1987
- Haplochromis rebeli Lohberger, 1929, with type locality at Lake Victoria. Determiner: Greenwood, 1967
- Haplochromis steindachneri Lohberger, 1929, with type locality at Sesse Islands, Lake Victoria. Determiner: Greenwood, 1967
- Haplochromis versluysi Lohberger , 1929, with type locality at Lake Victoria. Determiner: Greenwood, 1967
- Haplochromis lamprogenys Fowler, 1936, with type locality at Kitala, Lake Victoria [Victoria Nyanza], Uganda. Determiner: Greenwood, 1967
Conservation: Haplochromis prognathus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2010). This species seems to be extinct in the wild as no specimen have been seen or captured since 1995.