HomeFish encyclopediaRay-finned fishesPerch-like fishSand lancesSmooth sandeel Smooth sandeel (Gymnammodytes semisquamatus) Scientific name: Gymnammodytes semisquamatus Jourdain, 1879 The Smooth sandeel (Gymnammodytes semisquamatus) is a marine fish of the family Ammodytidae. Native range: Northeast Atlantic, southern coast of Norway and the Shetlands to Spain, including all coasts of the British Isles and the North Sea, but not the Baltic. BiologyDorsal soft rays (total): 53-56; Anal soft rays: 26 - 31. Palate without pointed teeth. Lateral line branched. Margins of dorsal and anal fins undulated. Scales restricted to the posterior third of the body.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGymnammodytes semisquamatusFamilyAmmodytidae (Sand lances)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Common length15.0EnvironmentMarine; demersalClimateTemperateDistributionNortheast Atlantic: southern coast of Norway and the Shetlands to Spain, including all coasts of the British Isles and the North Sea, but not the Baltic.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; bait: usuallyResilienceMedium, 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