HomeFish encyclopediaRay-finned fishesCharacinsCharacinsBlack-jacket tetra Black-jacket tetra (Moenkhausia takasei) Scientific name: Moenkhausia takasei G?ry, 1964 The Black-jacket tetra (Moenkhausia takasei) is a freshwater fish of the family Characidae. Native range: South America, Brazil (lower Amazon River basin). Species factsScientific nameMoenkhausia takaseiFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length3.3EnvironmentFreshwater; benthopelagicClimateTropicalDistributionSouth America: Brazil (lower Amazon River basin).Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (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