HomeFreshwater aquarium fishTetras & characinsRosy tetra Rosy tetra (Hyphessobrycon rosaceus) Scientific name: Hyphessobrycon rosaceus Durbin, 1909 The Rosy tetra (Hyphessobrycon rosaceus) is a freshwater fish of the family Characidae that grows to about 3.5 cm (1.4 in). It is easy to keep and peaceful, suits community aquariums and needs a tank of at least 55 L (15 US gal), water at 24–28°C (75–82°F) and a pH of 5.8–7.5. Native range: South America, Essequibo, Corantijn and Suriname River basins. Rosy tetra care at a glanceCare levelEasyTemperamentPeacefulCommunity tankExcellentAdult size3.5 cm (1.4 in)Minimum tank55 L (15 US gal)Temperature24–28°C (75–82°F)pH5.8–7.5Hardness3–20 dGH (54–357 ppm)DietOmnivore. Accepts flakes, freeze-dried foods and frozen foods. Species factsScientific nameHyphessobrycon rosaceusFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length3.4EnvironmentFreshwater;; pH range: 5.8 - 7.5; dH range: ? - 20 benthopelagicClimateTropicalDistributionSouth America: Essequibo, Corantijn and Suriname River basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsYellow tetraHyphessobrycon bifasciatusRoyal tetraInpaichthys kerriOrnate tetraHyphessobrycon bentosiEmber tetraHyphessobrycon amandaeGlass tetraMoenkhausia oligolepisGreen neon tetraParacheirodon simulansSee all tetras & characins 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