HomeFreshwater aquarium fishBarbs, danios & rasborasSundadanio axelrodi Sundadanio axelrodi Scientific name: Sundadanio axelrodi Brittan, 1976 Sundadanio axelrodi is a freshwater fish of the family Cyprinidae that grows to about 54 cm (21 in). It is easy to keep and peaceful and needs a tank of at least 40 L (11 US gal), water at 23–26°C (73–79°F) and a pH of 4.0–6.5. Native range: Asia, Borneo, Bangka and Sumatra. Sundadanio axelrodi care at a glanceCare levelEasyTemperamentPeacefulAdult size54 cm (21 in)Minimum tank40 L (11 US gal)Temperature23–26°C (73–79°F)pH4.0–6.5Hardness0–5 dGH (0–89 ppm)DietOmnivore. Accepts flakes, frozen foods and live foods. BiologySemicircular indentation present on the ventromedian flange of the dentary. Branched anal rays 5. Weberian apparatus with the 4th centrum extending well below the fused 2nd + 3rd centra. Sexual dichromatism conspicuous; melanophores in males are a little stronger, and the erythrophores and iridophores are much more developed. When disturbed, repeated croaking sounds are produced. No lateral line pores nor barbels.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSundadanio axelrodiFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length2.3EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAsia: Borneo, Bangka and Sumatra.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More barbs, danios & rasborasGreater scissortailRasbora caudimaculataBrilliant rasboraRasbora einthoveniiClown rasboraRasbora kalochromaPearl danioDanio albolineatusGiant danioDevario aequipinnatusBlackline rasboraRasbora borapetensisSee all barbs, danios & rasboras 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