Original reference as Placidochromis 'longimanus Chirombo':
- Turner, George. 1996. "Offshore cichlids of Lake Malawi". Cichlid Press. 240 . (crc01581)
Conservation: Placidochromis sp. 'longimanus chirombo' is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.