Décrit initialement sous Copadichromis trewavasae:
ZooBank:CA08E6F3-9375-48FA-9223-E5B1EE8FFC94.
- Konings, Ad. 1999. "Description of Three New Copadichromis Species (Labroidei; Cichlidae) from Lake Malawi, Africa". Tropical Fish Hobbyist Magazine. v. 47 (9) May; pp. 62-85 (crc00963)
Conservation: Copadichromis trewavasae est évalué par l'Union Internationale pour la Conservation de la Nature dans la Liste Rouge des espèces menacées comme étant (VU) Vulnerable (2006). C. trewavasae has a rather wide distribution over several parts of the lake and although utaka are most often caught by fishermen, members of the C. mbenjii group are less affected by their efforts.