Erstbeschreibung als Pseudotropheus greshakei:
ZooBank:9D99D02B-BDA0-4970-A565-10DEE8C8A97B.
- Meyer, Manfred & W. Foerster. 1984. "Un nouveau Pseudotropheus du lac Malawi avec des remarques sur le complexe Pseudotropheus-Melanochromis (Pisces, Perciformes, Cichlidae)". Revue française d'Aquariologie et Herpetologie. (1983)10;(4):107-112 (crc01074)
Artenschutz: Metriaclima greshakei wurde durch die Internationale Union für die Erhaltung der Natur (IUZN) in der Roten Liste bedrohter Arten bewertet als (VU) potentiell gefährdet (2006). M. greshakei is a common resident of Makokola Reef, but it is not found at any other location in the lake. This narrow endemism led to its assessment of Vulnerable, but since the species is not targeted by local fishermen (too small and difficult to catch between the rocks) and barring a natural disaster that would destroy the reef, I would suggest that the species should be classified as Least Concern.