HomeFish encyclopediaRay-finned fishesFlatfishesTonguefishesInkspot tonguefish Inkspot tonguefish (Symphurus atramentatus) Scientific name: Symphurus atramentatus Jordan & Bollman, 1890 The Inkspot tonguefish (Symphurus atramentatus) is a marine fish of the family Cynoglossidae. Native range: Eastern Pacific, Gulf of California and Bah?a Magdalena, Mexico to Peru, including the Galapagos Islands. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 89-98; Anal spines: 0; Anal soft rays: 75 - 82; Vertebrae: 49 - 53Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSymphurus atramentatusFamilyCynoglossidae (Tonguefishes)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length14.4Common length12.0Depth range1–200 m (3–656 ft)EnvironmentMarine; reef-associated; depth range 1 - 200 m, usually 1 - 80 mClimateTropicalDistributionEastern Pacific: Gulf of California and Bah?a Magdalena, Mexico to Peru, including the Galapagos Islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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