HomeFish encyclopediaLampreysLampreysLampreysKorean lamprey Korean lamprey (Lampetra morii) Scientific name: Lampetra morii Berg, 1931 The Korean lamprey (Lampetra morii) is a freshwater fish of the family Petromyzontidae. Native range: Asia, Yalu River basin, China and North Korea. BiologyBurrows into substrate for the duration of the winter months. Parasitic.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLampetra moriiFamilyPetromyzontidae (Lampreys)OrderPetromyzontiformes (Lampreys)ClassCephalaspidomorphi (Lampreys)Maximum length20.0EnvironmentFreshwater; demersal; potamodromous?ClimateTemperateDistributionAsia: Yalu River basin, China and North Korea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, 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