HomeFish encyclopediaHagfishesHagfishesHagfishesPatagonian hagfish Patagonian hagfish (Myxine affinis) Scientific name: Myxine affinis G?nther, 1870 The Patagonian hagfish (Myxine affinis) is a marine fish of the family Myxinidae. Native range: Southwest Atlantic, Straits of Magellan, southern Chile and southern Argentina. Species factsScientific nameMyxine affinisFamilyMyxinidae (Hagfishes)OrderMyxiniformes (Hagfishes)ClassMyxini (Hagfishes)Maximum length65.9Depth range30–150 m (98–492 ft)EnvironmentMarine; demersal; non-migratory; depth range 30 - 150 mClimateTemperateDistributionSouthwest Atlantic: Straits of Magellan, southern Chile and southern Argentina.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