HomeFreshwater aquarium fishAfrican cichlidsTropheus duboisi Tropheus duboisi Scientific name: Tropheus duboisi Marlier, 1959 Tropheus duboisi is a freshwater fish of the family Cichlidae that grows to about 13 cm (5.1 in). It is easy to keep and semi-aggressive and needs a tank of at least 115 L (30 US gal), water at 22–28°C (72–82°F) and a pH of 7.3–9.2. Native range: Africa, Algae-covered rocks of Lake Tanganyika. Tropheus duboisi care at a glanceCare levelEasyTemperamentSemi-aggressiveAdult size13 cm (5.1 in)Minimum tank115 L (30 US gal)Temperature22–28°C (72–82°F)pH7.3–9.2Hardness8–22 dGH (143–393 ppm)DietOmnivore. Accepts flakes, algae wafers, frozen foods and live foods. BiologyOccurs in rocky habitats. Collects food from the biocover. Aquarium keeping: many females for one male; minimum aquarium size 150 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTropheus duboisiFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentFreshwater;; pH range: 8.5 - 9.0; dH range: 10 - 12 demersalClimateTropicalDistributionAfrica: Endemic to Lake Tanganyika. Occurs in the northern part of the lake.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More african cichlidsBlunthead cichlidTropheus mooriiParananochromis caudifasciatusParacyprichromis nigripinnisNeolamprologus splendensNeolamprologus multifasciatusNeolamprologus leleupiSee all african cichlids SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.Last updated 28 September 2026