HomeFreshwater aquarium fishCatfish & plecosBlack catfish Black catfish (Trachycorystes trachycorystes) Scientific name: Trachycorystes trachycorystes Valenciennes, 1840 The Black catfish (Trachycorystes trachycorystes) is a freshwater fish of the family Auchenipteridae. Native range: South America, Amazon River basin, Essequibo River basin in Guyana, and Orinoco River basin in Venezuela. Species factsScientific nameTrachycorystes trachycorystesFamilyAuchenipteridae (Driftwood catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length35.0EnvironmentFreshwater; demersalClimateTropicalDistributionSouth America: Amazon River basin, Essequibo River basin in Guyana, and Orinoco River basin in Venezuela.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interest; aquarium: commercial More catfish & plecosRaphael catfishPlatydoras costatusWhitebarred catfishAgamyxis pectinifronsGuitarritaBunocephalus coracoideusSpotted corydorasCorydoras ambiacusSkunk corydorasCorydoras arcuatusPink corydorasCorydoras axelrodiSee 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