HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsKalabans Kalabans (Bangana dero) Scientific name: Bangana dero Hamilton, 1822 The Kalabans (Bangana dero) is a freshwater fish of the family Cyprinidae. In the aquarium it needs water at 22°C (72°F). Native range: Asia, Pakistan, India, Nepal, Bangladesh, Myanmar and China; probably Sri Lanka. Also reported from Iran, Afghanistan and Bhutan. Kalabans care at a glanceTemperature22°C (72°F) BiologyInhabits torrential hill-streams in shallow waters. Adults migrate to warmer regions of lakes and streams during winter. Used commonly by anglers as bait for Raiamas bola and Tor putitora. Herbivorous (Refs. 40948, 56237). Highly esteemed as food.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBangana deroFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length75.0EnvironmentFreshwater;; pH range: 8.0 - ? benthopelagic; potamodromousClimateTropicalDistributionAsia: Pakistan, India, Nepal, Bangladesh, Myanmar and China; probably Sri Lanka. Also reported from Iran, Afghanistan and Bhutan.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercial; bait: usuallyResilienceVery Low, minimum population doubling time more than 14 years (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