HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesSevenband tonguesole Sevenband tonguesole (Symphurus septemstriatus) Scientific name: Symphurus septemstriatus Alcock, 1891 The Sevenband tonguesole (Symphurus septemstriatus) is a marine fish of the family Cynoglossidae. Native range: Indo-West Pacific, Sri Lanka. Also reported from the Philippines. Species factsScientific nameSymphurus septemstriatusFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Depth range216–479 m (709–1572 ft)EnvironmentMarine; bathydemersal; depth range 216 - 479 mClimateDeep-waterDistributionIndo-West Pacific: Sri Lanka. Also reported from the Philippines.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