HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersGuinean flounder Guinean flounder (Bothus guibei) Scientific name: Bothus guibei Stauch, 1966 The Guinean flounder (Bothus guibei) is a marine fish of the family Bothidae. Native range: Eastern Atlantic, Annobon Island (Equatorial Guinea) and Biafra Bay. Reported from Sao Tome Island. Species factsScientific nameBothus guibeiFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length28.6Depth range15–40 m (49–131 ft)EnvironmentMarine; demersal; depth range 15 - 40 mClimateTropicalDistributionEastern Atlantic: Annobon Island (Equatorial Guinea) and Biafra Bay. Reported from Sao Tome Island.Conservation status (IUCN)Not EvaluatedThreat 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