HomeFish encyclopediaRay-finned fishesCharacinsAfrican tetrasTrue big-scale tetra True big-scale tetra (Brycinus macrolepidotus) Scientific name: Brycinus macrolepidotus Valenciennes, 1850 The True big-scale tetra (Brycinus macrolepidotus) is a freshwater fish of the family Alestidae. In the aquarium it needs water at 22–28°C (72–82°F). True big-scale tetra care at a glanceTemperature22–28°C (72–82°F) BiologyMore common in rivers than lakes. Feeds on insects, crustaceans, fish, vegetation and debris.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBrycinus macrolepidotusFamilyAlestidae (African tetras)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length53.0EnvironmentFreshwater; brackish; pelagic; potamodromousClimateTropicalDistributionAfrica: Inter-tropical but absent in the Gambia basin. Senegal, Niger, Chad, Volta and basins from Sierra Leone to Cameroon; Sudan border, upper Nile, Albert Nile and Murchison Nile, Lake Albert, Victoria, Omo and Lake Turkana, Congo basin.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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