HomeFish encyclopediaRay-finned fishesPerch-like fishCichlidsRainbow cichlid Rainbow cichlid (Archocentrus multispinosus) Scientific name: Archocentrus multispinosus G?nther, 1867 The Rainbow cichlid (Archocentrus multispinosus) is a freshwater fish of the family Cichlidae. In the aquarium it needs water at 21–36°C (70–97°F). Rainbow cichlid care at a glanceTemperature21–36°C (70–97°F) BiologyInhabits lakes and swampy areas with muddy bottoms. Feeds on considerable ooze, detritus and filaments of algae. Forms pairs; both sexes territorial. Tolerant of high temperatures and able to survive in small water bodies during dry periods..Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameArchocentrus multispinosusFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length17.0EnvironmentFreshwater;; pH range: 7.0 - 8.0; dH range: 9 - 20 benthopelagicClimateTropicalDistributionCentral America: Atlantic slope, from the Patuca River (Honduras) to the Matina River (Costa Rica); Pacific slope, from the Guasaule River (Nicaragua) to the Tempisque and Bebedero rivers (Costa Rica). Discovered in 1991 in the hot spring at Heviz (Balaton, Hungary) where it is established.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries:; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (tm SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026