HomeFish encyclopediaRay-finned fishesCatfishAirbreathing catfishesAfrican catfish African catfish (Heterobranchus bidorsalis) Scientific name: Heterobranchus bidorsalis Geoffroy Saint-Hilaire, 1809 The African catfish (Heterobranchus bidorsalis) is a freshwater fish of the family Clariidae. In the aquarium it needs water at 22–28°C (72–82°F). Native range: Africa, Nile. Africa: Chad basin, Niger, Upper Volta, Guinea and Senegal. Also known from the Gambia River. African catfish care at a glanceTemperature22–28°C (72–82°F) BiologyDorsal spines (total): 0; Dorsal soft rays (total): 40-46; Anal soft rays: 49 - 58; Vertebrae: 62 - 63. Head oval-shaped to rectangular dorsally; snout broadly rounded; eyes rather laterally placed. Frontal fontanelle long and narrow; occipital fontanelle relatively long and oval shaped. `Postorbital' bones completely united. Suprabranchial organ well developed. Pectoral spine smooth. Openings of secondary sensory canals with regular geometric pattern. Body and fins occasionally with irregularly placed spots.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHeterobranchus bidorsalisFamilyClariidae (Airbreathing catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length150EnvironmentFreshwater; demersalClimateTropicalDistributionAfrica: Nile. Africa: Chad basin, Niger, Upper Volta, Guinea and Senegal. Also known from the Gambia River.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercialResilienceLow, minimum population doubling time 4.5 - 14 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