HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesKriete's tonguefish Kriete's tonguefish (Symphurus billykrietei) Scientific name: Symphurus billykrietei Munroe, 1998 The Kriete's tonguefish (Symphurus billykrietei) is a marine fish of the family Cynoglossidae. Native range: Northwest Atlantic, off southern Nova Scotia and southward along the continental shelf of US to about Cape Hatteras, North Carolina. BiologyA deepwater fish commonly collected on mud substrates on the outer continental shelf. Little is known concerning its ecology.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSymphurus billykrieteiFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length11.9Depth range48–650 m (157–2133 ft)EnvironmentMarine; bathydemersal; depth range 48 - 650 m, usually 201 - 380 mClimateDeep-waterDistributionNorthwest Atlantic: off southern Nova Scotia and southward along the continental shelf of US to about Cape Hatteras, North Carolina.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