HomeFish encyclopediaRay-finned fishesSpiny eelsSpiny eelsOne-stripe spinyeel One-stripe spinyeel (Macrognathus aral) Scientific name: Macrognathus aral Bloch & Schneider, 1801 The One-stripe spinyeel (Macrognathus aral) is a freshwater fish of the family Mastacembelidae. Native range: Asia, Pakistan, India, Sri Lanka, Bangladesh, Nepal and Myanmar. BiologyOccurs in running and stagnant waters. Found in fresh and brackish waters and deltas of large rivers, common in ponds and slow flowing rivers with vegetation in plains. Inhabits still waters with silt or mud substrate. Believed to be common in rice paddy fields. Nocturnal feeder, on insects and worms.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMacrognathus aralFamilyMastacembelidae (Spiny eels)OrderSynbranchiformes (Spiny eels)ClassActinopterygii (Ray-finned fishes)Maximum length63.5EnvironmentFreshwater; brackish; benthopelagicClimateTropicalDistributionAsia: Pakistan, India, Sri Lanka, Bangladesh, Nepal and Myanmar.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercialResilienceMedium, 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