HomeFish encyclopediaRay-finned fishesCatfishSqueakers or upside-down catfishesUpper Zambezi squeaker Upper Zambezi squeaker (Synodontis woosnami) Scientific name: Synodontis woosnami Boulenger, 1911 The Upper Zambezi squeaker (Synodontis woosnami) is a freshwater fish of the family Mochokidae. Native range: Africa, Upper Zambezi, Okavango basin and Cunene river. Species factsScientific nameSynodontis woosnamiFamilyMochokidae (Squeakers or upside-down catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length20.5EnvironmentFreshwater; benthopelagicClimateTropicalDistributionAfrica: Upper Zambezi, Okavango basin and Cunene river.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