Original description as Melanochromis perileucos:
ZooBank:28CAEB26-ADB0-4E48-ACE4-9EFC6362A282.
- Bowers, Nancy & J. Stauffer. 1997. "Eight new species of rock-dwelling cichlids of the genus Melanochromis (Teleostei: Cichlidae) from Lake Malawi, Africa". Ichthyological Explorations of Freshwaters. 8(1):49-70 (crc00126)
Conservation: Pseudotropheus perileucos is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2018).