HomeFish encyclopediaRay-finned fishesFlatfishesLefteye floundersBlackspotted flounder Blackspotted flounder (Laeops nigromaculatus) Scientific name: Laeops nigromaculatus von Bonde, 1922 The Blackspotted flounder (Laeops nigromaculatus) is a marine fish of the family Bothidae. Native range: Western Indian Ocean, Delagoa Bay, Mozambique and Natal, South Africa. Northwest Pacific: Japan. Probably occurring in the Western Central Pacific. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 100; Anal spines: 0; Anal soft rays: 82 - 83. Mouth small and asymmetrical, dentition developed only on blind side of jaws. First 2 rays of dorsal fin not detached from others, 1st, 3 rays a little prolonged. Body scattered with many small spots.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLaeops nigromaculatusFamilyBothidae (Lefteye flounders)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Depth range100–290 m (328–951 ft)EnvironmentMarine; demersal; depth range 100 - 290 mClimateTemperateDistributionWestern Indian Ocean: Delagoa Bay, Mozambique and Natal, South Africa. Northwest Pacific: Japan. Probably occurring in the Western Central Pacific.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, 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