HomeFish encyclopediaLobe-finned fishesSouth American and African LungfishesAfrican lungfishesGilled lungfish Gilled lungfish (Protopterus amphibius) Scientific name: Protopterus amphibius Peters, 1844 The Gilled lungfish (Protopterus amphibius) is a freshwater fish of the family Protopteridae. Native range: Africa, East African coastal regions from Somalia and Kenya, delta of Zambesi River. The presence of this species in southern Africa requires confirmation. BiologyDiagnosis: distance snout to origin of dorsal fin 1.4-1.7 times head length, or 45-56% distance snout to vent.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameProtopterus amphibiusFamilyProtopteridae (African lungfishes)OrderLepidosireniformes (South American and African Lungfishes)ClassSarcopterygii (Lobe-finned fishes)Maximum length44.3EnvironmentFreshwater; demersalClimateTropicalDistributionAfrica: East African coastal regions from Somalia and Kenya, delta of Zambesi River. The presence of this species in southern Africa requires confirmation.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceVery Low, minimum population doubling time more than 14 years (Assuming tmax > 30) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026