HomeFreshwater aquarium fishSouth & Central American cichlidsNanochromis parilus Nanochromis parilus Scientific name: Nanochromis parilus Roberts & Stewart, 1976 Nanochromis parilus is a freshwater fish of the family Cichlidae that grows to about 7.5 cm (3 in). It is easy to keep and semi-aggressive, is best kept in a species tank and needs a tank of at least 75 L (20 US gal), water at 24–27°C (75–81°F) and a pH of 6.0–7.0. Native range: Africa, Congo River basin, central Africa. Nanochromis parilus care at a glanceCare levelEasyTemperamentSemi-aggressiveCommunity tankNot suitableAdult size7.5 cm (3 in)Minimum tank75 L (20 US gal)Temperature24–27°C (75–81°F)pH6.0–7.0Hardness5–8 dGH (89–143 ppm)DietCarnivore. Accepts flakes, frozen foods and live foods. BiologyFeeds on worms, crustaceans and insects.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNanochromis parilusFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length4.4EnvironmentFreshwater;; pH range: 6.0 - 7.0; dH range: 5 - 8 demersalClimateTropicalDistributionAfrica: lower Congo River rapids, including those near Inga, Wombe, Bulu, Tadi and Kinganga.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (tm More south & central american cichlidsOrange chromideEtroplus maculatusRainbow kribPelvicachromis pulcherBlue-eye cichlidCryptoheros spilurusGeophagus abaliosHeros efasciatusCrenicichla strigataSee all south & central american 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