Original description as Haplochromis plagiotaenia:
ZooBank:3B7AE0A5-4352-4A09-ACD0-3EBB81405698.
- 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: Mylochromis plagiotaenia is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2006).