Original description as Haplochromis macrochir:
ZooBank:B7C3C6F1-F444-4844-9A97-A4FE22AE1814.
- Regan, Charles Tate. 1922. "The Cichlid Fishes of Lake Nyassa". Proceedings of the Zoological Society of London. 1921(pt 4)36:675-727 (crc00066)
Conservation: Lethrinops macrochir is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2018).