HomeFreshwater aquarium fishBarbs, danios & rasborasGiant danio Giant danio (Devario aequipinnatus) Scientific name: Devario aequipinnatus McClelland, 1839 The Giant danio (Devario aequipinnatus) is a freshwater fish of the family Cyprinidae that grows to about 10 cm (3.9 in). It is easy to keep and peaceful, suits community aquariums and needs a tank of at least 210 L (55 US gal), water at 21–25°C (70–77°F) and a pH of 6.0–8.0. Native range: Asia, India and Nepal to Indochina. Giant danio care at a glanceCare levelEasyTemperamentPeacefulCommunity tankGoodAdult size10 cm (3.9 in)Minimum tank210 L (55 US gal)Temperature21–25°C (70–77°F)pH6.0–8.0Hardness5–19 dGH (89–339 ppm)DietOmnivore. Accepts flakes, frozen foods and live foods. Species factsScientific nameDevario aequipinnatusFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length15.0EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 5 - 19 pelagicClimateTropicalDistributionAsia: India and Nepal to Indochina.Threat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec=300-1,000) More barbs, danios & rasborasPearl danioDanio albolineatusBlackline rasboraRasbora borapetensisDwarf rasboraBoraras maculatusHarlequin rasboraTrigonostigma heteromorphaClown rasboraRasbora kalochromaBrilliant rasboraRasbora einthoveniiSee all barbs, danios & rasboras Can it live with...?Giant danio and Arulius barbGiant danio and Blackline rasboraGiant danio and Brilliant rasboraGiant danio and Clown barbGiant danio and Clown rasboraGiant danio and Coppernose barbGiant danio and Dwarf rasboraGiant danio and Greater scissortailGiant danio and Harlequin rasboraGiant danio and Pearl danioGiant danio and Striped barb 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