HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesNorman's tonguesole Norman's tonguesole (Symphurus normani) Scientific name: Symphurus normani Chabanaud, 1950 The Norman's tonguesole (Symphurus normani) is a marine fish of the family Cynoglossidae. Native range: Eastern Atlantic, Gulf of Guinea to Angola. Reported from northern Namibia. Species factsScientific nameSymphurus normaniFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length70.0Depth range50–100 m (164–328 ft)EnvironmentMarine; demersal; depth range 50 - 100 mClimateTropicalDistributionEastern Atlantic: Gulf of Guinea to Angola. Reported from northern Namibia.Conservation status (IUCN)Not EvaluatedThreat 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