HomeFish encyclopediaHagfishesHagfishesHagfishesFourteen-gill hagfish Fourteen-gill hagfish (Eptatretus polytrema) Scientific name: Eptatretus polytrema Girard, 1855 The Fourteen-gill hagfish (Eptatretus polytrema) is a marine fish of the family Myxinidae. Native range: Southeast Pacific, Chile. Species factsScientific nameEptatretus polytremaFamilyMyxinidae (Hagfishes)OrderMyxiniformes (Hagfishes)ClassMyxini (Hagfishes)Maximum length46.0Depth range10–350 m (33–1148 ft)EnvironmentMarine; demersal; non-migratory; depth range 10 - 350 mClimateDeep-waterDistributionSoutheast Pacific: Chile.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceLow, minimum population doubling time 4.5 - 14 years (Fec assumed to be SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026