HomeFreshwater aquarium fishOddballs & predatorsSamwamowa Samwamowa (Marcusenius nyasensis) Scientific name: Marcusenius nyasensis Worthington, 1933 Photo: https://malawicichlids.com/mw11007.htm The Samwamowa (Marcusenius nyasensis) is a freshwater fish of the family Mormyridae. Native range: Africa, Endemic to Lake Malawi. Species factsScientific nameMarcusenius nyasensisFamilyMormyridae (Elephantfishes)OrderOsteoglossiformes (Bony tongues)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentFreshwater; demersalClimateTropicalDistributionAfrica: Endemic to Lake Malawi.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesAquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) More oddballs & predatorsAfrican knifefishXenomystus nigriGray bichirPolypterus senegalus senegalusAfrican ReedfishErpetoichthys calabaricusIndochina featherbackChitala blanciArawanaOsteoglossum bicirrhosumPetrocephalus 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