HomeFreshwater aquarium fishTetras & characinsFalse rummynose tetra False rummynose tetra (Petitella georgiae) Scientific name: Petitella georgiae G?ry & Bouti?re, 1964 The False rummynose tetra (Petitella georgiae) is a freshwater fish of the family Characidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: South America, upper Amazon River basin in Peru; Purus, Negro, and Madeira River basins. False rummynose tetra care at a glanceTemperature22–26°C (72–79°F) BiologyFeeds on worms, small crustaceans and plant matter. Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 80 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePetitella georgiaeFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length3.9EnvironmentFreshwater;; pH range: 5.5 - 7.0; dH range: ? - 12 pelagicClimateTropicalDistributionSouth America: upper Amazon River basin in Peru; Purus, Negro, and Madeira River basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: highly commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsX-ray tetraPristella maxillarisNeon tetraParacheirodon innesiEmperor tetraNematobrycon palmeriRedeye tetraMoenkhausia sanctaefilomenaeBlackline penguinfishThayeria boehlkeiDiamond tetraMoenkhausia pittieriSee 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