HomeFish encyclopediaRay-finned fishesFlatfishesSolesCyclope sole Cyclope sole (Pegusa triophthalma) Scientific name: Pegusa triophthalma Bleeker, 1863 The Cyclope sole (Pegusa triophthalma) is a brackish-water fish of the family Soleidae. Native range: Eastern Central Atlantic, Mauritania to Gulf of Guinea. Not in the south of Cape Lopez and not in the north of Rio de Oro. BiologyFound on sand bottoms. Enters lagoons. Feeds on mollusks and other invertebrates.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePegusa triophthalmaFamilySoleidae (Soles)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range10–30 m (33–98 ft)EnvironmentMarine; brackish; demersal; depth range 10 - 30 mClimateTropicalDistributionEastern Central Atlantic: Mauritania to Gulf of Guinea. Not in the south of Cape Lopez and not in the north of Rio de Oro.Conservation status (IUCN)Data deficient (DD)Threat 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