HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesLong-snouted tongue sole Long-snouted tongue sole (Paraplagusia longirostris) Scientific name: Paraplagusia longirostris Chapleau, Renaud & Kailola, 1991 The Long-snouted tongue sole (Paraplagusia longirostris) is a marine fish of the family Cynoglossidae. Native range: Indo-West Pacific, northern Australia and southern coast of Papua New Guinea. BiologyDorsal soft rays (total): 133-143; Anal soft rays: 102 - 112. Caudal vertebrae 49-55; mid-lateral line scales 115-125. Differs from all other species in the genus Paraplagusia by the non-overlapping high counts for the dorsal and anal fin rays, caudal vertebrae and mid-lateral line scales.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParaplagusia longirostrisFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length27.6Depth range12–86 m (39–282 ft)EnvironmentMarine; demersal; depth range 12 - 86 mClimateTropicalDistributionIndo-West Pacific: northern Australia and southern coast of Papua New Guinea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, 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