HomeFish encyclopediaRay-finned fishesCatfishSqueakers or upside-down catfishesLargespot squeaker Largespot squeaker (Synodontis macrostigma) Scientific name: Synodontis macrostigma Boulenger, 1911 The Largespot squeaker (Synodontis macrostigma) is a freshwater fish of the family Mochokidae. Native range: Africa, Cunene, Okavango, upper Zambezi and Kafue systems. BiologyPrefers slow-flowing and floodplain environments, where it is usually common. Oviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSynodontis macrostigmaFamilyMochokidae (Squeakers or upside-down catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length17.1EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAfrica: Cunene, Okavango, upper Zambezi and Kafue systems.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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