HomeFreshwater aquarium fishTetras & characinsLongfin tetra Longfin tetra (Brycinus longipinnis) Scientific name: Brycinus longipinnis G?nther, 1864 The Longfin tetra (Brycinus longipinnis) is a freshwater fish of the family Alestidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: Africa, Atlantic border of the African continent from Gambia to Democratic Republic of the Congo. Longfin tetra care at a glanceTemperature22–26°C (72–79°F) BiologyGenerally found in the upper and lower reaches of big rivers and also in estuarine zones of mixohaline waters. The only Brycinus species to penetrate small rivers and streams. Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 100 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBrycinus longipinnisFamilyAlestidae (African tetras)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length12.0EnvironmentFreshwater; brackish;; pH range: 6.0 - 8.0; dH range: 5 - 19 pelagic; potamodromousClimateTropicalDistributionAfrica: Atlantic border of the African continent from Gambia to Democratic Republic of the Congo.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec = 160) More tetras & characinsNiger tetraArnoldichthys spilopterusSierra leone dwarf characinLadigesia roloffiJellybean tetraLepidarchus adonisOneline tetraNannaethiops unitaeniatusNeolebias ansorgiiBucktooth tetraExodon paradoxusSee all tetras & characins SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026