HomeFreshwater aquarium fishCatfish & plecosFirewood catfish Firewood catfish (Sorubimichthys planiceps) Scientific name: Sorubimichthys planiceps Spix & Agassiz, 1829 The Firewood catfish (Sorubimichthys planiceps) is a freshwater fish of the family Pimelodidae. Native range: South America, Amazon and Orinoco River basins. BiologyMainly nocturnal. Feeds primarily on nekton.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSorubimichthys planicepsFamilyPimelodidae (Long-whiskered catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length150EnvironmentFreshwater; demersalClimateTropicalDistributionSouth America: Amazon and Orinoco River basins.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; aquarium: public aquariumsResilienceVery Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.) More catfish & plecosGuitarritaBunocephalus coracoideusSpotted corydorasCorydoras ambiacusSkunk corydorasCorydoras arcuatusPink corydorasCorydoras axelrodiBanded corydorasScleromystax barbatusSpotback corydorasCorydoras blochiSee 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