HomeFreshwater aquarium fishOddballs & predatorsZebra spiny eel Zebra spiny eel (Macrognathus zebrinus) Scientific name: Macrognathus zebrinus Blyth, 1858 The Zebra spiny eel (Macrognathus zebrinus) is a freshwater fish of the family Mastacembelidae. In the aquarium it needs water at 23–26°C (73–79°F). Native range: Asia, Irrawaddy, Sittang, and Salween rivers in Myanmar. Reported from Indonesia. Zebra spiny eel care at a glanceTemperature23–26°C (73–79°F) BiologyDorsal spines (total): 28 - 31; Dorsal soft rays (total): 49-55; Anal soft rays: 48 - 59; Vertebrae: 72 - 74. Side of body with series of thin, dark vertical bars with pale outlines; caudal fin vertically striated with small black spots.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMacrognathus zebrinusFamilyMastacembelidae (Spiny eels)OrderSynbranchiformes (Spiny eels)ClassActinopterygii (Ray-finned fishes)Maximum length46.0EnvironmentFreshwater;; pH range: 7.0 - 7.5; dH range: ? - 15 benthopelagicClimateTropicalDistributionAsia: Irrawaddy, Sittang, and Salween rivers in Myanmar. Reported from Indonesia.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercial; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More oddballs & predatorsGlass knifefishEigenmannia virescensBlack ghostApteronotus albifronsAmazon leaffishMonocirrhus polyacanthusGangetic leaffishNandus nandusApteronotus leptorhynchusZig-zag eelMastacembelus armatusSee all oddballs & predators SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026