HomeFish encyclopediaHagfishesHagfishesHagfishesGoliath hagfish Goliath hagfish (Eptatretus goliath) Scientific name: Eptatretus goliath Mincarone & Stewart, 2006 The Goliath hagfish (Eptatretus goliath) is a marine fish of the family Myxinidae. Native range: Southwest Pacific, off New Zealand. BiologyDiagnosis: Distinguished from its congeners by the unique combination of the following characters: 7 pairs of gill pouches; 3-cusp multicusps in anterior and posterior rows; 11-13 unicusps in anterior rows; 9 unicusps in posterior rows; 54 total cusps; 14-15 prebranchial pores; 57-58 trunk pores; 13-14 tail pores; 92 total pores; ventral finfold prominent.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEptatretus goliathFamilyMyxinidae (Hagfishes)OrderMyxiniformes (Hagfishes)ClassMyxini (Hagfishes)Maximum length127.5Depth range811 m (2661 ft)EnvironmentMarine; benthopelagic; depth range ? - 811 mClimateSubtropicalDistributionSouthwest Pacific: off New Zealand.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