HomeFish encyclopediaRay-finned fishesFlatfishesTurbotsTopknot Topknot (Zeugopterus punctatus) Scientific name: Zeugopterus punctatus Bloch, 1787 The Topknot (Zeugopterus punctatus) is a marine fish of the family Scophthalmidae. Native range: North Atlantic, Trondheim to the Bay of Biscay (4703); including Newfoundland, Canada. BiologyDark coloration, marbled and with spots. Body oval, pelvic and anal fins used. Scales on the eyed side with fine spiny outgrowths, which are like rough fur to the touch.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameZeugopterus punctatusFamilyScophthalmidae (Turbots)OrderPleuronectiformes (Flatfishes)ClassActinopterygii (Ray-finned fishes)Maximum length25.0EnvironmentMarine; demersal, usually 1 - 40 mClimateTemperateDistributionNorth Atlantic: Trondheim to the Bay of Biscay (4703); including Newfoundland, Canada.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