HomeFish encyclopediaRay-finned fishesCatfishBanjo catfishesEcuador banjo catfish Ecuador banjo catfish (Bunocephalus knerii) Scientific name: Bunocephalus knerii Steindachner, 1882 The Ecuador banjo catfish (Bunocephalus knerii) is a freshwater fish of the family Aspredinidae. In the aquarium it needs water at 20–25°C (68–77°F). Native range: South America, western Amazon River basin. Ecuador banjo catfish care at a glanceTemperature20–25°C (68–77°F) Species factsScientific nameBunocephalus kneriiFamilyAspredinidae (Banjo catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length13.0EnvironmentFreshwater;; pH range: 5.8 - 7.0; dH range: 8 - 15 demersalClimateTropicalDistributionSouth America: western Amazon River basin.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: of no interest; aquarium: commercial SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026