HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesHooked tonguesole Hooked tonguesole (Cynoglossus carpenteri) Scientific name: Cynoglossus carpenteri Alcock, 1889 The Hooked tonguesole (Cynoglossus carpenteri) is a marine fish of the family Cynoglossidae. Native range: Indian Ocean, seas of India to Persian Gulf. Cynoglossus carpenteri is closely related to Cynoglossus acutirostris. Species factsScientific nameCynoglossus carpenteriFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length23.0Depth range27–420 m (89–1378 ft)EnvironmentMarine; bathydemersal; depth range 27 - 420 mClimateDeep-waterDistributionIndian Ocean: seas of India to Persian Gulf. Cynoglossus carpenteri is closely related to Cynoglossus acutirostris.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