HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsJewel fish Jewel fish (Hemichromis letourneuxi) Scientific name: Hemichromis letourneuxi Sauvage, 1880 The Jewel fish (Hemichromis letourneuxi) is a freshwater fish of the family Cichlidae. In the aquarium it needs water at 22–25°C (72–77°F). Native range: Africa, Nile to Senegal and from North Africa to C?te d'Ivoire. Jewel fish care at a glanceTemperature22–25°C (72–77°F) BiologySavannah associated species which prospers in a range of lentic habitats that include brackish water lagoons, large lakes and riverine flood plains. Occurs near vegetation beds and fringes. Feeds on Caridina and insects. Substrate spawner, ripe and spent fish are common early in the flood season.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHemichromis letourneuxiFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length11.9EnvironmentFreshwater; brackish;; pH range: 6.0 - ?; dH range: 5 - ? benthopelagicClimateTropicalDistributionAfrica: Nile to Senegal and from North Africa to C?te d'Ivoire.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026