HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsBurnt tail fish Burnt tail fish (Balantiocheilos ambusticauda) Scientific name: Balantiocheilos ambusticauda Ng & Kottelat, 2007 The Burnt tail fish (Balantiocheilos ambusticauda) is a freshwater fish of the family Cyprinidae. BiologyVertebrae: 14 - 16. Balantiocheilos ambusticauda is distinguished from its sole congener, B. melanopterus, in having a shorter snout (27.5?33.9% HL vs. 33.2?39.1) that is rounded (vs. obliquely truncate) in specimens larger than ca. 80 mm SL, posteriorly directed groove at rictus curved (vs. straight), and narrower black margins on the pelvic and anal fins (on distal third of both fins or less vs. on distal half or more, with pelvic fins sometimes entirely black).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBalantiocheilos ambusticaudaFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length10.5EnvironmentFreshwater; pelagicClimateTropicalDistributionSoutheast Asia: Lower and middle Mekong and Chao Phraya river drainages in mainland Southeast Asia. The original distribution of this species included the Chao Phraya River drainage from Bangkok upriver to the lower Nan River (Smith, 1945) and in the Mekong from Viet Nam and the Great Lake (Tonle Sap) to the lower Nam Ngum River (Taki, 1968). The specimen identified as Balantiocheilus from Chiengmai by Fowler (1934: 127) is actually a juvenile Poropuntius.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries:ResilienceHigh, 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