HomeFreshwater aquarium fishSouth & Central American cichlidsApistogramma nijsseni Apistogramma nijsseni Scientific name: Apistogramma nijsseni Kullander, 1979 Apistogramma nijsseni is a freshwater fish of the family Cichlidae that grows to about 8 cm (3.1 in). It is difficult to keep and peaceful and needs a tank of at least 55 L (15 US gal), water at 23–30°C (73–86°F) and a pH of 5.0–7.0. Native range: South America, Amazon River basin, in the Carahuayte River drainage, a tributary to the Ucayali River. Apistogramma nijsseni care at a glanceCare levelDifficultTemperamentPeacefulAdult size8 cm (3.1 in)Minimum tank55 L (15 US gal)Temperature23–30°C (73–86°F)pH5.0–7.0Hardness2–15 dGH (36–268 ppm)DietOmnivore BiologyIn black-water creeks among vegetation. Female guards eggs in nest; male and female guard larvae.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameApistogramma nijsseniFamilyCichlidae (Cichlids)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length3.9EnvironmentFreshwater;; pH range: 5.0 - 5.6; dH range: ? - 5 benthopelagic; depth range 0 - ? mClimateTropicalDistributionSouth America: Amazon River basin, in the Carahuayte River drainage, a tributary to the Ucayali River.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec More south & central american cichlidsLowland cichlidHerichthys carpintisCryptoheros panamensisYellow cichlidThorichthys helleriRed devilAmphilophus labiatusOscarAstronotus ocellatusRio Grande cichlidHerichthys cyanoguttatusSee 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