HomeFish encyclopediaHagfishesHagfishesHagfishesInshore hagfish Inshore hagfish (Eptatretus burgeri) Scientific name: Eptatretus burgeri Girard, 1855 The Inshore hagfish (Eptatretus burgeri) is a marine fish of the family Myxinidae. Native range: Northwest Pacific, Sea of Japan and eastern Japan to Taiwan. BiologySix pairs of gill pouches and gill apertures in a rarely variable linear arrangement. Branchial slime pores, 4-6. The last left gill aperture is closely adjacent to but separate from the pharyngocutaneous duct. Eyes spots are prominent. White mid-dorsal line prominent; fused cusps 3/2, total cusps 40-42; total slime pores 81-92.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEptatretus burgeriFamilyMyxinidae (Hagfishes)OrderMyxiniformes (Hagfishes)ClassMyxini (Hagfishes)Maximum length60.0Depth range10–270 m (33–886 ft)EnvironmentMarine; demersal; non-migratory; depth range 10 - 270 mClimateTemperateDistributionNorthwest Pacific: Sea of Japan and eastern Japan to Taiwan.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; bait: usuallyResilienceLow, 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