HomeFish encyclopediaRay-finned fishesSpiny eelsSpiny eelsTire track eel Tire track eel (Mastacembelus favus) Scientific name: Mastacembelus favus Hora, 1924 The Tire track eel (Mastacembelus favus) is a freshwater fish of the family Mastacembelidae. Native range: Asia, Thailand to the Malay Peninsula. BiologyDorsal spines (total): 33 - 37; Dorsal soft rays (total): 73-85; Anal soft rays: 71 - 87; Vertebrae: 86 - 92Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMastacembelus favusFamilyMastacembelidae (Spiny eels)OrderSynbranchiformes (Spiny eels)ClassActinopterygii (Ray-finned fishes)Maximum length70.0EnvironmentFreshwater; demersalClimateTropicalDistributionAsia: Thailand to the Malay Peninsula.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 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