HomeFreshwater aquarium fishAfrican cichlidsConvict julie Convict julie (Julidochromis regani) Scientific name: Julidochromis regani Poll, 1942 The Convict julie (Julidochromis regani) is a freshwater fish of the family Cichlidae. In the aquarium it needs water at 22–25°C (72–77°F). Native range: Africa, Endemic to Lake Tanganyika. Convict julie care at a glanceTemperature22–25°C (72–77°F) BiologyLikes to live in the open and ventures quite a lot over sand in the shallows. Oviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameJulidochromis reganiFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Depth range5 m (16 ft)EnvironmentFreshwater;; pH range: 8.5 - 9.2; dH range: 8 - 14 benthopelagic; depth range ? - 5 mClimateTropicalDistributionAfrica: Endemic to Lake Tanganyika.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More african cichlidsMasked julieJulidochromis transcriptusJulidochromis marlieriLamprologus callipterusJulidochromis dickfeldiHemichromis lifaliliLamprologus ocellatusSee all african cichlids SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026