HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesLachner's tonguesole Lachner's tonguesole (Cynoglossus lachneri) Scientific name: Cynoglossus lachneri Menon, 1977 The Lachner's tonguesole (Cynoglossus lachneri) is a marine fish of the family Cynoglossidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 113-121; Anal spines: 0; Anal soft rays: 92 - 98; Vertebrae: 55 - 58. Upper side uniformly tan; 2 lateral lines on both sides of body.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCynoglossus lachneriFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length46.0Common length30.0Depth range0–1 m (0–3 ft)EnvironmentMarine; demersal; depth range 0 - 1 mClimateTropicalDistributionWestern Indian Ocean: Red Sea, Gulf of Oman, and East Africa from Kenya to Delagoa Bay, Mozambique; including Seychelles, Mauritius, Madagascar and the Comoro Islands.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