HomeFreshwater aquarium fishTetras & characinsYellow tetra Yellow tetra (Hyphessobrycon bifasciatus) Scientific name: Hyphessobrycon bifasciatus Ellis, 1911 The Yellow tetra (Hyphessobrycon bifasciatus) is a freshwater fish of the family Characidae that grows to about 5 cm (2 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 20–25°C (68–77°F) and a pH of 5.8–8.0. Native range: South America, streams, rivers, and Lake around Rio de Janeiro, Brazil. Yellow tetra care at a glanceCare levelEasyTemperamentPeacefulCommunity tankExcellentAdult size5 cm (2 in)Minimum tank55 L (15 US gal)Temperature20–25°C (68–77°F)pH5.8–8.0Hardness15–30 dGH (268–535 ppm)DietOmnivore. Accepts flakes, freeze-dried foods, frozen foods and live foods. Species factsScientific nameHyphessobrycon bifasciatusFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length4.7EnvironmentFreshwater;; pH range: 5.8 - 8.0; dH range: ? - 30 benthopelagic; potamodromousClimateTropicalDistributionSouth America: Coastal river drainages from Esp?rito Santo to Rio Grande do Sul, Brazil and upper Paran? River basin.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsOrnate tetraHyphessobrycon bentosiEmber tetraHyphessobrycon amandaeRosy tetraHyphessobrycon rosaceusRoyal tetraInpaichthys kerriRummy-nose tetraHemigrammus rhodostomusGlass tetraMoenkhausia oligolepisSee 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