HomeFreshwater aquarium fishBarbs, danios & rasborasBlue danio Blue danio (Danio kerri) Scientific name: Danio kerri Smith, 1931 The Blue danio (Danio kerri) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 23–25°C (73–77°F). Native range: Asia, Malay Peninsula. Blue danio care at a glanceTemperature23–25°C (73–77°F) Species factsScientific nameDanio kerriFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length5.0EnvironmentFreshwater;; pH range: 6.5 - 7.0; dH range: 5 - 12 benthopelagicClimateTropicalDistributionAsia: Malay Peninsula.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (tm More barbs, danios & rasborasGoldfinned barbPuntius sachsiiTwospot rasboraRasbora elegansGlowlight rasboraTrigonostigma hengeliLeast rasboraBoraras urophthalmoidesCoppernose barbRaiamas christyiLong snouted barbPuntius dorsalisSee all barbs, danios & rasboras SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026