HomeFreshwater aquarium fishBarbs, danios & rasborasPearl danio Pearl danio (Danio albolineatus) Scientific name: Danio albolineatus Blyth, 1860 The Pearl danio (Danio albolineatus) is a freshwater fish of the family Cyprinidae that grows to about 5 cm (2 in). It is easy to keep and peaceful, suits community aquariums and needs a tank of at least 75 L (20 US gal), water at 20–25°C (68–77°F) and a pH of 6.0–8.0. Native range: ASIA; Reasonably fast-flowing streams in Myanmar(Burma), Sumatra, and Thailand. Pearl danio care at a glanceCare levelEasyTemperamentPeacefulCommunity tankExcellentAdult size5 cm (2 in)Minimum tank75 L (20 US gal)Temperature20–25°C (68–77°F)pH6.0–8.0Hardness5–19 dGH (89–339 ppm)DietOmnivore. Accepts flakes, frozen foods and live foods. BiologyDorsal soft rays (total): 7; Anal soft rays: 12 - 13. Incomplete lateral line, without infraorbital process; with 6-7 branched dorsal fin rays and 13-14 branched anal fin rays. Two pairs of long barbels. Rostral barbels reaching to or slightly anterior to vertical through the middle of the orbit; maxillary barbels exceed the origin of pectoral fin. Vertical scale rows 30-31, predorsal scale rows 16. Pharyngeal teeth in three rows, 5, 4, 2; 2, 4, 5. Body pink with two light yellow-white (iridescent in life) stripes from below dorsal origin to caudal base.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDanio albolineatusFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length6.5Common length3.4EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 5 - 19 benthopelagicClimateTropicalDistributionAsia: Myanmar to Laos and the island of Sumatra, Indonesia. Reported from Irrawaddy, Salween, Mekong, Mae Khlong drainages. Records from Sri Lanka and India are incorrect.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; aquarium: highly commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity. Fec = 600.) More barbs, danios & rasborasGiant danioDevario aequipinnatusBlackline rasboraRasbora borapetensisDwarf rasboraBoraras maculatusHarlequin rasboraTrigonostigma heteromorphaClown rasboraRasbora kalochromaBrilliant rasboraRasbora einthoveniiSee all barbs, danios & rasboras Can it live with...?Pearl danio and Arulius barbPearl danio and Black ghostPearl danio and Black sharkminnowPearl danio and Blackbarred limiaPearl danio and Blackline rasboraPearl danio and Bleeding-heart tetraPearl danio and Bloodfin tetraPearl danio and Bluespotted corydorasPearl danio and Brilliant rasboraPearl danio and Chinese suckerPearl danio and Clown barbPearl danio and Clown loachPearl danio and Clown rasboraPearl danio and Coppernose barbPearl danio and Crescent bettaPearl danio and Dwarf botiaPearl danio and Dwarf rainbowfishPearl danio and Dwarf rasboraPearl danio and Eel LoachPearl danio and Forktail rainbowfishPearl danio and Gangetic leaffishPearl danio and Garnet tetraPearl danio and Giant danioPearl danio and Glass catfishPearl danio and Glowlight tetraPearl danio and Goldeneye cichlidPearl danio and Greater scissortailPearl danio and Harlequin rasboraPearl danio and Head-and-taillight tetraPearl danio and Horseface loach 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