HomeFish encyclopediaRay-finned fishesCatfishBagrid catfishesLong whiskers catfish Long whiskers catfish (Mystus gulio) Scientific name: Mystus gulio Hamilton, 1822 The Long whiskers catfish (Mystus gulio) is a freshwater fish of the family Bagridae. Native range: Asia, countries bordering the eastern Indian Ocean, from India to Indonesia and Viet Nam. Reported from Pakistan. BiologyPrimarily a brackish water fish that enters and lives in fresh water. In freshwater, adults occur mainly in larger water bodies (rivers and streams) with mud or clay substrates, and rarely found in smaller streams. Form schools of 10 to 25 individuals. Diurnal. Oviparous, distinct pairing possibly like other members of the same family.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMystus gulioFamilyBagridae (Bagrid catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length46.0Common length15.0EnvironmentFreshwater; brackish; demersal; anadromousClimateTropicalDistributionAsia: countries bordering the eastern Indian Ocean, from India to Indonesia and Viet Nam. Reported from Pakistan.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming Fec SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026