HomeFreshwater aquarium fishTetras & characinsStriped headstander Striped headstander (Anostomus anostomus) Scientific name: Anostomus anostomus Linnaeus, 1758 The Striped headstander (Anostomus anostomus) is a freshwater fish of the family Anostomidae that grows to about 18 cm (7.1 in). It is easy to keep and peaceful, needs carefully chosen tank mates and needs a tank of at least 115 L (30 US gal), water at 22–28°C (72–82°F) and a pH of 5.8–7.5. Native range: South America, Amazon and Orinoco River Basins. Striped headstander care at a glanceCare levelEasyTemperamentPeacefulCommunity tankWith cautionAdult size18 cm (7.1 in)Minimum tank115 L (30 US gal)Temperature22–28°C (72–82°F)pH5.8–7.5Hardness2–18 dGH (36–321 ppm)DietOmnivore. Accepts flakes, frozen foods and live foods. BiologyFeeds on worms, crustaceans, insects and plant matter. Oviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAnostomus anostomusFamilyAnostomidae (Headstanders)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length16.0EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 5 - 12 benthopelagicClimateTropicalDistributionSouth America: Amazon and Orinoco River basins. Reported from Suriname.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsMarbled headstanderAbramites hypselonotusOneline pencilfishNannostomus unifasciatusBarred pencilfishNannostomus espeiGolden pencilfishNannostomus beckfordiRedspotted tetraCopeina guttataMarbled hatchetfishCarnegiella strigataSee 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