HomeFish encyclopediaLampreysLampreysLampreysChilean lamprey Chilean lamprey (Mordacia lapicida) Scientific name: Mordacia lapicida Gray, 1851 The Chilean lamprey (Mordacia lapicida) is a freshwater fish of the family Petromyzontidae. Native range: Southeast Pacific, Rivers of southern Chile. Species factsScientific nameMordacia lapicidaFamilyPetromyzontidae (Lampreys)OrderPetromyzontiformes (Lampreys)ClassCephalaspidomorphi (Lampreys)Maximum length16.0EnvironmentMarine; freshwater; brackish; demersal; anadromousClimateSubtropicalDistributionSoutheast Pacific: Rivers of southern Chile.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: of no interestResilienceMedium, 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