Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Cichlidae
(Cichlids) > Pseudocrenilabrinae
Etymology: Tropheus: Greek, tropaion = defeat, a memorial of a fighting war, trophy; because of their specialized teeth were such an obvious feeding adaptation (Ref. 45335). More on author: Boulenger.
Environment / Climate / Range
Freshwater; benthopelagic; pH range: 8.0 - 9.0; dH range: 9 - 19. Tropical; 24°C - 26°C (Ref. 1672); 3°S - 9°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.5 cm TL male/unsexed; (Ref. 5713); max. reported age: 10 years (Ref. 52198)
Africa: Endemic to Lake Tanganyika.
Adults are solitary (Ref. 86760). Feed on worms, crustaceans, insects and plant matter (Ref. 7020). Females brood their young in the mouth (Ref. 86760). Aquarium keeping: feed on epiphyton; many females for one male; minimum aquarium size 150 cm (Ref. 51539).
Maréchal, C. and M. Poll, 1991. Tropheus. p. 521-525. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4.
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00863 - 0.03498), b=2.96 (2.79 - 3.13), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.0 ±0.1 se; Based on diet studies.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=10; K >0.30; Fec=5-17).
Vulnerability (Ref. 59153
): Low vulnerability (22 of 100) .