Original description as Melanochromis labrosus:
ZooBank:C9ED93BD-1323-4C7A-B746-011072839C21.
- Trewavas, Ethelwynn. 1935. "A Synopsis of the Cichlid Fishes of Lake Nyasa". Annals and Magazine of Natural History. Series 10:65-118 (crc00118)
Conservation: Abactochromis labrosus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2018). Although it is a very rare species it is not threatened in its existence. Collection for the aquarium trade is a threat to this species ([ref=12001]).