HomeFish encyclopediaRay-finned fishesSticklebacks and SeamothsSand eelKorean sandlance Korean sandlance (Hypoptychus dybowskii) Scientific name: Hypoptychus dybowskii Steindachner, 1880 The Korean sandlance (Hypoptychus dybowskii) is a marine fish of the family Hypoptychidae. Native range: North Pacific, Sakhalin, Russia to northern Japan. Species factsScientific nameHypoptychus dybowskiiFamilyHypoptychidae (Sand eel)OrderGasterosteiformes (Sticklebacks and Seamoths)ClassActinopterygii (Ray-finned fishes)Maximum length10.0EnvironmentMarine; benthopelagicClimateTemperateDistributionNorth Pacific: Sakhalin, Russia to northern Japan.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (K=3.6-4.0; tmax=1) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026