HomeFreshwater aquarium fishCatfish & plecosBigeye squeaker Bigeye squeaker (Synodontis alberti) Scientific name: Synodontis alberti Schilthuis, 1891 The Bigeye squeaker (Synodontis alberti) is a freshwater fish of the family Mochokidae. In the aquarium it needs water at 23–27°C (73–81°F). Native range: Africa, Congo basin except the Zambian Congo but including Pool Malebo (= Stanley Pool) and the Ubangi and Kasai drainages. Bigeye squeaker care at a glanceTemperature23–27°C (73–81°F) Species factsScientific nameSynodontis albertiFamilyMochokidae (Squeakers or upside-down catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length20.3EnvironmentFreshwater;; pH range: 6.0 - 8.0; dH range: 4 - 25 benthopelagicClimateTropicalDistributionAfrica: Congo basin except the Zambian Congo but including Pool Malebo (= Stanley Pool) and the Ubangi and Kasai drainages.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More catfish & plecosSynodontis brichardiBlotched upsidedown catfishSynodontis nigriventrisPareutropius buffeiBronze corydorasCorydoras aeneusBloch's catfishPimelodus blochiiBlue panaqueBaryancistrus begginiSee all catfish & plecos SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026