HomeFish encyclopediaRay-finned fishesSmeltsIcefishes or noodlefishesClearhead icefish Clearhead icefish (Protosalanx hyalocranius) Scientific name: Protosalanx hyalocranius Abbott, 1901 The Clearhead icefish (Protosalanx hyalocranius) is a freshwater fish of the family Salangidae. Native range: Northwest Pacific, Korea, and temperate coast of China. Also known from Viet Nam. Species factsScientific nameProtosalanx hyalocraniusFamilySalangidae (Icefishes or noodlefishes)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length13.0Common length9.0EnvironmentMarine; freshwater; brackish; demersal; anadromousClimateTemperateDistributionNorthwest Pacific: Korea, and temperate coast of China. Also known from Viet Nam.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceLow, minimum population doubling time 4.5 - 14 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