HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsSearobinsLongfin gurnard Longfin gurnard (Chelidonichthys obscurus) Scientific name: Chelidonichthys obscurus Walbaum, 1792 The Longfin gurnard (Chelidonichthys obscurus) is a marine fish of the family Triglidae. Native range: Eastern Atlantic, southern coasts of the British Isles to Mauritania, the Azores and Madeira; Mediterranean but absent in northern Aegean Sea and Black Sea. BiologyBenthic on the continental shelf in 77 m; inhabits soft bottoms and fallen rocks.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChelidonichthys obscurusFamilyTriglidae (Searobins)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length34.0Depth range170 m (558 ft)EnvironmentMarine; demersal; depth range ? - 170 mClimateTemperateDistributionEastern Atlantic: southern coasts of the British Isles to Mauritania, the Azores and Madeira; Mediterranean but absent in northern Aegean Sea and Black Sea.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