HomeFreshwater aquarium fishBarbs, danios & rasborasTinfoil barb Tinfoil barb (Barbonymus schwanenfeldii) Scientific name: Barbonymus schwanenfeldii Bleeker, 1853 Photo: https://nas.er.usgs.gov/queries/FactSheet.aspx?SpeciesID=633 The Tinfoil barb (Barbonymus schwanenfeldii) is a freshwater fish of the family Cyprinidae that grows to about 35 cm (14 in). It is easy to keep and aggressive and needs a tank of at least 475 L (125 US gal), water at 21–25°C (70–77°F) and a pH of 6.0–7.7. Native range: Asia, Rivers and Lake in Borneo, Sumatra and Thailand. Tinfoil barb care at a glanceCare levelEasyTemperamentAggressiveAdult size35 cm (14 in)Minimum tank475 L (125 US gal)Temperature21–25°C (70–77°F)pH6.0–7.7Hardness2–10 dGH (36–178 ppm)DietOmnivore. Accepts flakes, pellets and frozen foods. BiologyDorsal spines: 3; Dorsal soft rays: 8; Anal spines: 3; Anal soft rays: 5. Distinguished from other species of the genus in having a red dorsal fin with a black blotch at the tip, red pectoral, pelvic and anal fins, red caudal fin with white margin and a black submarginal stripe along each lobe, and 8 scale rows between dorsal-fin origin and lateral line. Large individuals silvery or golden yellow in life with its dorsal fin red and caudal fin orange or blood-red.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBarbonymus schwanenfeldiiFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length35.0Common length20.0EnvironmentFreshwater;; pH range: 6.5 - 7.0; dH range: ? - 10 benthopelagic; potamodromousClimateTropicalDistributionAsia: Mekong and Chao Phraya basins, Malay Peninsula, Sumatra and Borneo.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: subsistence fisheries; aquaculture: commercial; aquarium: commercial; bait: occasionallyResilienceHigh, minimum population doubling time less than 15 months (Assuming tm=1; Fec=8,000-16,000) More barbs, danios & rasborasTiger barbPuntius tetrazonaThree-lined rasboraRasbora trilineataWhite cloud mountain minnowTanichthys albonubesTicto barbPuntius tictoZebra danioDanio rerioHypsibarbus wetmoreiSee all barbs, danios & rasboras 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