HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesSharpnose tonguesole Sharpnose tonguesole (Cynoglossus acutirostris) Scientific name: Cynoglossus acutirostris Norman, 1939 The Sharpnose tonguesole (Cynoglossus acutirostris) is a marine fish of the family Cynoglossidae. Native range: Western Indian Ocean, Red Sea and the Gulf of Aden. Cynoglossus acutirostris is very similar to Cynoglossus carpenteri. BiologyDorsal soft rays (total): 125; Anal soft rays: 100Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCynoglossus acutirostrisFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Common length19.0Depth range220–1425 m (722–4675 ft)EnvironmentMarine; bathydemersal; depth range 220 - 1425 mClimateDeep-waterDistributionWestern Indian Ocean: Red Sea and the Gulf of Aden. Cynoglossus acutirostris is very similar to Cynoglossus carpenteri.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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