Considered a synonym of Otopharynx lithobates Oliver, 1989
- Cleaver, Rachel M & Adrianus F. Konings & Jay R. Stauffer, Jr. 2009. "Two new cave-dwelling cichlids of Lake Malawi, Africa". Ichthyological Explorations of Freshwaters. v. 20 (no. 2); pp. 163-178 (crc01850) (abstract)
Original description as Otopharynx walteri:
ZooBank:A5220552-BFF1-42D2-B1F2-B2350AB3F75A.
- Konings, Ad. 1990. "Descriptions of Six New Malawi Cichlids". Tropical Fish Hobbyist Magazine. 38 (11): pp. 110-129 (crc00111)