HomeFish encyclopediaHagfishesHagfishesHagfishesEightgill hagfish Eightgill hagfish (Eptatretus octatrema) Scientific name: Eptatretus octatrema Barnard, 1923 The Eightgill hagfish (Eptatretus octatrema) is a marine fish of the family Myxinidae. Native range: Southeast Atlantic, known from the holotype taken from the Agulhas Bank, South Africa. Species factsScientific nameEptatretus octatremaFamilyMyxinidae (Hagfishes)OrderMyxiniformes (Hagfishes)ClassMyxini (Hagfishes)Maximum length30.0Depth range46–73 m (151–240 ft)EnvironmentMarine; demersal; non-migratory; depth range 46 - 73 mClimateSubtropicalDistributionSoutheast Atlantic: known from the holotype taken from the Agulhas Bank, South Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, 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