HomeFish encyclopediaRay-finned fishesBony tonguesElephantfishesSouthern Churchill Southern Churchill (Petrocephalus wesselsi) Scientific name: Petrocephalus wesselsi Kramer & van der Bank, 2000 The Southern Churchill (Petrocephalus wesselsi) is a freshwater fish of the family Mormyridae. BiologyInhabits fast flowing, major, perennial river, bordered by dense, subtropical or tropical vegetation.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePetrocephalus wesselsiFamilyMormyridae (Elephantfishes)OrderOsteoglossiformes (Bony tongues)ClassActinopterygii (Ray-finned fishes)Maximum length11.4EnvironmentFreshwater; pelagicClimateSubtropicalDistributionAfrica: Incomati River system (Sabie River forms a part of it), the Blyde and Letaba rivers that both drain into the Limpopo (a major independent system), and in the Pongola River (Natal).Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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