Original description as Nanochromis minor:
- Roberts, Tyson R & D.J. Stewart. 1976. "An ecological and systematic survey of fishes in the rapids of the lower Zaire or Congo River". Bulletin of the Museum of Comparative Zoology. v. 147(n. 6), pp. 239-317 (crc00129)
Conservation: Nanochromis minor is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (VU) vulnerable (2010).