HomeFreshwater aquarium fishOddballs & predatorsMalawi spinyeel Malawi spinyeel (Mastacembelus shiranus) Scientific name: Mastacembelus shiranus G?nther, 1896 The Malawi spinyeel (Mastacembelus shiranus) is a freshwater fish of the family Mastacembelidae. In the aquarium it needs water at 23–27°C (73–81°F). Native range: Africa, Endemic to Lake Malawi and lower course of inflowing rivers. Malawi spinyeel care at a glanceTemperature23–27°C (73–81°F) Species factsScientific nameMastacembelus shiranusFamilyMastacembelidae (Spiny eels)OrderSynbranchiformes (Spiny eels)ClassActinopterygii (Ray-finned fishes)Maximum length26.0EnvironmentFreshwater;; pH range: 7.4 - 8.4; dH range: 7 - 30 benthopelagicClimateTropicalDistributionAfrica: Endemic to Lake Malawi and lower course of inflowing rivers.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries:; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More oddballs & predatorsGymnothorax tileFreshwater butterflyfishPantodon buchholziClown knifefishChitala chitalaElephantnose fishGnathonemus petersiiWest African bichirPolypterus retropinnisPetrocephalus bovei boveiSee 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