Original description as Hemichromis robustus:
- Günther, Albert C. L. G. 1864. "Report on a collection of reptiles and fishes made by Dr. Kirk in the Zambesi and Nyassa regions". Proceedings of the Zoological Society of London. (pt 2); pp. 303-314 (crc00091)
- Paratilapia zambesensis Gilchrist & Thompson, 1917, with type locality at Zambezi River, South Africa. Determiner: Skelton et al., 1991
- Pelmatochromis ngamensis Gilchrist & Thompson , 1917, with type locality at Lake Ngami District, South Africa. Determiner: Skelton et al., 1991
- Pelmatochromis tanganyicae Borodin, 1931, with type locality at Lake Tanganyika at Ujiji, Kigoma, Tanzania. Determiner: Skelton et al., 1991
Conservation: Serranochromis robustus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (CR) critically endangered (2018).