HomeFish encyclopediaRay-finned fishesSmeltsIcefishes or noodlefishesJapanese icefish Japanese icefish (Salangichthys microdon) Scientific name: Salangichthys microdon Bleeker, 1860 The Japanese icefish (Salangichthys microdon) is a freshwater fish of the family Salangidae. Native range: Northwest Pacific, eastern Siberia, Japan, Korea and Russia. BiologyMarine species which enters rivers and estuaries.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSalangichthys microdonFamilySalangidae (Icefishes or noodlefishes)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length10.0EnvironmentMarine; freshwater; brackish; demersal; anadromousClimatePolarDistributionNorthwest Pacific: eastern Siberia, Japan, Korea and Russia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec = 1,300) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026