Original description as Lamprologus crassus:
- Brichard, Pierre. 1989. "Pierre Brichard's book of cichlids and all the other fishes of Lake Tanganyika". TFH Publications. pp. 1-544 (crc00025)
Conservation: Neolamprologus crassus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (2006).