Original description:
- Regan, Charles Tate. 1922. "The Cichlid Fishes of Lake Nyassa". Proceedings of the Zoological Society of London. 1921(pt 4)36:675-727 (crc00066)
Type species: Chromis lethrinus Günther, 1894 (original designation).
Described species included (26):
valid: 24 synonym: 2- Chromis lethrinus Günther, 1894 (valid)
- Tilapia macrophthalma Boulenger, 1908 (valid)
- Lethrinops albus Regan, 1922 (valid)
- Haplochromis auritus Regan, 1922 (valid)
- Haplochromis macrochir Regan, 1922 (valid)
- Haplochromis micrentodon Regan, 1922 (valid)
- Lethrinops leptodon Regan, 1922 (valid)
- Lethrinops argenteus Ahl, 1927 (valid)
- Lethrinops marginatus Ahl, 1927 (valid)
- Lethrinops alta Trewavas, 1931 (valid)
- Lethrinops christyi Trewavas, 1931 (valid)
- Lethrinops furcifer Trewavas, 1931 (valid)
- Lethrinops longimanus Trewavas, 1931 (valid)
- Lethrinops lunaris Trewavas, 1931 (valid)
- Lethrinops macracanthus Trewavas, 1931 (valid)
- Lethrinops microstoma Trewavas, 1931 (valid)
- Lethrinops oculata Trewavas, 1931 (synonym)
- Lethrinops parvidens Trewavas, 1931 (valid)
- Lethrinops gossei Burgess & Axelrod, 1973 (valid)
- Lethrinops mylodon borealis Eccles & Lewis, 1979 (synonym)
- Lethrinops longipinnis Eccles & Lewis, 1979 (valid)
- Lethrinops microdon Eccles & Lewis, 1979 (valid)
- Lethrinops mylodon mylodon Eccles & Lewis, 1979 (valid)
- Lethrinops stridei Eccles & Lewis, 1979 (valid)
- Lethrinops turneri Ngatunga & Snoeks, 2003 (valid)
- Lethrinops atrilabris Turner, 2022 (valid)
Potentially undescribed species (44):
- sp. 'aulonocara type' (undescribed)
- sp. 'silver crescent' (undescribed)
- sp. 'auritus lion' (undescribed)
- sp. 'auritus selewa' (undescribed)
- sp. 'boadzulu' (undescribed)
- sp. 'longimanus likoma' (undescribed)
- sp. 'longipinnis deep-water' (undescribed)
- sp. 'longipinnis ntekete' (undescribed)
- sp. 'longipinnis white-lappets' (undescribed)
- sp. 'macrochir mumbo' (undescribed)
- sp. 'macrochir nkhudzi' (undescribed)
- sp. 'marginatus liuli' (undescribed)
- sp. 'mbasi' (undescribed)
- sp. 'mbenji roundhead' (undescribed)
- sp. 'mdoka red' (undescribed)
- sp. 'micrentodon makokola' (undescribed)
- sp. 'christyi fort maguire' (undescribed)
- sp. 'nyassae' (undescribed)
- sp. 'red bar' (undescribed)
- sp. 'red cap tsano' (undescribed)
- sp. 'red cap' (undescribed)
- sp. 'yellow chest' (undescribed)
- sp. 'yellow collar' (undescribed)
- sp. 'deep-water albus' (undescribed)
- sp. 'mbenji deep' (undescribed)
- sp. 'macrophthalmus goldhead' (undescribed)
- sp. 'chilingali' (undescribed)
- sp. 'big head' (undescribed)
- sp. 'blue orange' (undescribed)
- sp. 'dark' (undescribed)
- sp. 'deep-water altus' (undescribed)
- sp. 'domira blue' (undescribed)
- sp. 'grey' (undescribed)
- sp. 'loweae' (undescribed)
- sp. 'macrostoma' (undescribed)
- sp. 'matumbae' (undescribed)
- sp. 'oliveri' (undescribed)
- sp. 'yellow' (undescribed)
- sp. 'yellow chin' (undescribed)
- sp. 'yellow tail' (undescribed)
- sp. 'deep-water albus yellow' (undescribed)
- sp. 'gossei white-bar' (undescribed)
- sp. 'longimanus red-head' (undescribed)
- sp. 'zebra' (undescribed)