HomeFreshwater aquarium fishTetras & characinsIguanodectes spilurus Iguanodectes spilurus Scientific name: Iguanodectes spilurus G?nther, 1864 Iguanodectes spilurus 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 water at 23–27°C (73–81°F) and a pH of 5.0–7.5. Native range: South America, Amazon, Essequibo, Orinoco, and Tocantins River basins. Iguanodectes spilurus care at a glanceCare levelEasyTemperamentPeacefulCommunity tankGoodAdult size5 cm (2 in)Temperature23–27°C (73–81°F)pH5.0–7.5DietOmnivore. Accepts flakes, pellets, freeze-dried foods and frozen foods. Species factsScientific nameIguanodectes spilurusFamilyCharacidae (Characins)OrderCharaciformes (Characins)ClassActinopterygii (Ray-finned fishes)Maximum length10.2EnvironmentFreshwater;; pH range: 5.0 - 7.5; dH range: ? - 18 benthopelagicClimateTropicalDistributionSouth America: Amazon, Essequibo, Orinoco, and Tocantins River basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More tetras & characinsMoenkhausia collettiiHemigrammus ulreyiHemigrammus rodwayiRuby tetraAxelrodia rieseiAnostomus ternetziCachamaColossoma macropomumSee 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