HomeFreshwater aquarium fishTetras & characinsFlame tetra Flame tetra (Hyphessobrycon flammeus) Scientific name: Hyphessobrycon flammeus Myers, 1924 The Flame tetra (Hyphessobrycon flammeus) is a freshwater fish of the family Characidae that grows to about 4.5 cm (1.8 in). It is difficult to keep and peaceful, suits community aquariums and needs a tank of at least 55 L (15 US gal), water at 22–28°C (72–82°F) and a pH of 5.8–7.8. Native range: South America, Streams and river around Rio de Janeiro. Flame tetra care at a glanceCare levelDifficultTemperamentPeacefulCommunity tankGoodAdult size4.5 cm (1.8 in)Minimum tank55 L (15 US gal)Temperature22–28°C (72–82°F)pH5.8–7.8Hardness5–25 dGH (89–446 ppm)DietOmnivore. Accepts live foods. BiologyFeeds on worms, small crustaceans and plant matter. In tank, female lays 200 to 300 eggs which hatch in 2 to 3 days. Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHyphessobrycon flammeusFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length2.5EnvironmentFreshwater;; pH range: 5.8 - 7.8; dH range: 5 - 25 benthopelagicClimateTropicalDistributionSouth America: Coastal rivers of Rio de Janeiro, Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsBleeding-heart tetraHyphessobrycon erythrostigmaGarnet tetraHemigrammus pulcherBlack neon tetraHyphessobrycon herbertaxelrodiFlag tetraHyphessobrycon heterorhabdusLemon tetraHyphessobrycon pulchripinnisHead-and-taillight tetraHemigrammus ocelliferSee all tetras & characins Can it live with...?Flame tetra and Black neon tetraFlame tetra and Black phantom tetraFlame tetra and Bleeding-heart tetraFlame tetra and Bloodfin tetraFlame tetra and Flag tetraFlame tetra and Garnet tetraFlame tetra and Glowlight tetraFlame tetra and Head-and-taillight tetraFlame tetra and Lemon tetraFlame tetra and Pinktail chalceusFlame tetra and Red phantom tetra 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