HomeFish encyclopediaRay-finned fishesCatfishSqueakers or upside-down catfishesFeatherfin squeaker Featherfin squeaker (Synodontis euptera) Scientific name: Synodontis euptera Boulenger, 1901 The Featherfin squeaker (Synodontis euptera) is a freshwater fish of the family Mochokidae. In the aquarium it needs water at 22–26°C (72–79°F). Native range: Africa, White Nile, Chad, Volta and Niger basins, including the B?nou?. Featherfin squeaker care at a glanceTemperature22–26°C (72–79°F) BiologyMaximum TL was recorded at 22.2 cm. Occurs over a muddy bottom but may also be found over rocks. Feeds mainly on insect larvae but will also take algae. This is also an upside-down species. Oviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSynodontis eupteraFamilyMochokidae (Squeakers or upside-down catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentFreshwater;; pH range: 6.2 - 7.5; dH range: ? - 15 benthopelagicClimateTropicalDistributionAfrica: White Nile, Chad, Volta and Niger basins, including the B?nou?.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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