HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersSt. Helena flounder St. Helena flounder (Bothus mellissi) Scientific name: Bothus mellissi Norman, 1931 The St. Helena flounder (Bothus mellissi) is a marine fish of the family Bothidae. Native range: Southeast Atlantic, known only from St. Helena and Ascension Islands. BiologyInhabits mud, sand, gravel and shell bottoms. Marketed fresh and dried salted.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBothus mellissiFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length22.3Depth range5–100 m (16–328 ft)EnvironmentMarine; demersal; depth range 5 - 100 mClimateTropicalDistributionSoutheast Atlantic: known only from St. Helena and Ascension Islands.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor 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