Original description as Lamprologus elongatus:
- Boulenger, George Albert. 1898. "Report on the fishes recently obtained by Mr. J. E. S. Moore in Lake Tanganyika". Proceedings of the Zoological Society of London. vol. 3: pp. 494-497 (crc00006)
- Lamprologus cunningtoni nyassae Borodin, 1936, with type locality at Mwaya, Lake Malawi, Tanzania. Determiner: Daget et al., 1991
Conservation: Lepidiolamprologus elongatus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2006).