HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesNatal tongue-fish Natal tongue-fish (Cynoglossus acaudatus) Scientific name: Cynoglossus acaudatus Gilchrist, 1906 The Natal tongue-fish (Cynoglossus acaudatus) is a marine fish of the family Cynoglossidae. Native range: Western Indian Ocean, Somalia to Natal, South Africa, including Seychelles. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 108-110; Anal spines: 0; Anal soft rays: 86 - 87; Vertebrae: 52 - 53. Upper side brown with irregular dark bars and blotches; no lateral line on blind side.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCynoglossus acaudatusFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length14.0EnvironmentMarine; demersalClimateTropicalDistributionWestern Indian Ocean: Somalia to Natal, South Africa, including Seychelles.Conservation status (IUCN)Not EvaluatedThreat 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