HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsAsoka barb Asoka barb (Puntius asoka) Scientific name: Puntius asoka Kottelat & Pethiyagoda, 1989 The Asoka barb (Puntius asoka) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 25–30°C (77–86°F). Native range: Asia, upper reaches of the Sitawaka River and its tributaries, and Kelani near Kitulgala, Sri Lanka. Asoka barb care at a glanceTemperature25–30°C (77–86°F) BiologyFound in relatively deep (1-2 m) fast-flowing water, in areas with gravel or sand substrates. Juveniles (1-3cm TL) shoal together in schools of 30-100 individuals in very shallow water (5-25 cm), downstream. Adults occupy deeper water (1-2m), upstream. Usually occupies unshaded areas. Fast swimmers and not easily identified from water surface. Declining numbers due to intensive fishing by fish exporters.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePuntius asokaFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length17.0Common length10.0Depth range1–2 m (3–7 ft)EnvironmentFreshwater;; pH range: 6.5 - 7.5; dH range: 1 - 18 benthopelagic; depth range 1 - 2 mClimateTropicalDistributionAsia: upper reaches of the Sitawaka River and its tributaries, and Kelani near Kitulgala, Sri Lanka.Conservation status (IUCN)Endangered (EN) (A1c, B1+2c)Threat to humansHarmlessUsesAquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026