HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsMillet Millet (Crenicichla alta) Scientific name: Crenicichla alta Eigenmann, 1912 The Millet (Crenicichla alta) is a freshwater fish of the family Cichlidae. In the aquarium it needs water at 24–27°C (75–81°F). Native range: South America, Amazon River basin, in the Branco River basin, Brazil; Essequibo River basin, Guyana. Millet care at a glanceTemperature24–27°C (75–81°F) Species factsScientific nameCrenicichla altaFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length16.0EnvironmentFreshwater;; pH range: 6.2 - ?; dH range: 1 - ? benthopelagicClimateTropicalDistributionSouth America: Amazon River basin, in the Branco River basin, Brazil; Essequibo River basin, Guyana.Conservation status (IUCN)Not EvaluatedThreat 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