HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesZanzibar tonguesole Zanzibar tonguesole (Cynoglossus zanzibarensis) Scientific name: Cynoglossus zanzibarensis Norman, 1939 The Zanzibar tonguesole (Cynoglossus zanzibarensis) is a marine fish of the family Cynoglossidae. Native range: Western Indian Ocean, Kenya to the western Cape Province, South Africa. Reported from Namibia. BiologyDorsal spines: 0; Dorsal soft rays: 116-124; Anal spines: 0; Anal soft rays: 92 - 103. 3 lateral lines on eyed side, none on blind side.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCynoglossus zanzibarensisFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length32.0Common length16.0Depth range183–293 m (600–961 ft)EnvironmentMarine; demersal; depth range 183 - 293 mClimateTropicalDistributionWestern Indian Ocean: Kenya to the western Cape Province, South Africa. Reported from Namibia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 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