After Froese & Pauly, 2001 [“The FishBase”] and Stauffer & Kellogg, 2002
<==o Pseudotropheus [29] |-- P. ater Stauffer, 1988 |-- P. cyaneus Stauffer, 1988 (Cyan hap) |-- P. demasoni Konings, 1994 |-- P. elegans Trewavas, 1935 |-- P. elongatus Fryer, 1956 (Elongate mbuna) |-- P. fainzilberi Staeck, 1976 |-- P. flavus Stauffer, 1988 |-- P. fuscoides Fryer, 1956 [=? P. fuscus [Ribbink et al., 1983, Konings, 1995c]] |-- P. fuscus Trewavas, 1935 |-- P. longior Seegers, 1996 |-- P. lucerna Trewavas, 1935 |-- P. sp. cf. P. lucerna “brown” |-- P. minutus Fryer, 1956 |-- P. modestus Johnson, 1974 |-- P. novemfasciatus Regan, 1922 |-- P. purpuratus Johnson, 1976 |-- P. saulosi Konings, 1990 |-- P. socolofi Johnson, 1974 (Pindani, Socolofi, Powder Blue cichlid) |-- P. tursiops Burgess & Axelrod, 1975 [Melanochromis?] |-- P. perspicax (Trewavas, 1935); Ribbink et al., 1983 [Melanochromis perspicax Trewavas, 1935] |--o P. elongatus -species group | `-- P. elongatus Fryer, 1956 (Elongate mbuna) |--o P. “aggressive” -species group | |-- P. sp. “aggressive brown” | |-- P. sp. “aggressive gray” | |-- P. sp. “aggressive gray head” | |-- P. sp. “aggressive yellow fin” | |-- P. sp. “aggressive yellow head” | |-- P. sp. “aggressive zebra” | `-- P. minutus Fryer, 1956 |--o (Pseudotropheus) Regan, 1922 | `--o P. williamsi -species group | |== 6 other undescribed species? [Stauffer & Kellogg, 2002] | |-- P. williamsi (Günther, 1894) (Red top williamsi) | `-- P. galanos Stauffer & Kellogg, 2002 `--o (Tropheops) Trewavas, 1984a |-- P. (T.) gracilior Trewavas, 1935 [P. (T.) tropheops gracilior Trewavas, 1935] |-- P.(T.) macrophthalmus Ahl, 1926 |-- P.(T.) microstoma Trewavas, 1935 |-- P. (T.) novemfasciatus Regan, 1922 `--o P. (T.) tropheops Regan, 1922 |-- P. (T.) t. romandi Colombé, 1979 `-- P. (T.) t. tropheops Regan, 1922
Reference(s):
- Froese, R. & Pauly, D. (eds), 2001: FishBase.
–iNet: www.fishbase.org - Stauffer Jr., J. R. & Kellogg, K. A., 2002: Description of a new species in the Pseudotropheus williamsi complex (Teleostei: Cichlidae), from the Lake Malawi, Africa.
–Copeia: Vol. 102, #1, pp. 146-151