最初命名為 Otopharynx pachycheilus:
ZooBank:D7B9EB5B-8910-40C4-837B-2A2C6F7F9801.
- Arnegard, Matthew & Jos Snoeks. 2001. "New three-spotted cichlid species with hypertrophied lips (Teleostei: Cichlidae) from the deep waters of Lake Malawi/Nyasa, Africa". Copeia. 2001(3):705-717. DOI: 10.1643/0045-8511(2001)001[0705:NTSCSW]2.0.CO;2 (crc00705) (摘要)
保育: Otopharynx pachycheilus 被評鑑為國際自然保育聯盟瀕危物種紅皮書名單中的 (VU) 易危的 (2006).