Original description as Haplochromis estor:
- Regan, Charles Tate. 1929. "New cichlid fishes from lakes Victoria, Kioga, and Albert". Annals and Magazine of Natural History. (Ser. 10) pp. 388-392 (crc00189)
Conservation: Haplochromis estor is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2010).