Eightgill Hagfish vs Nuta-unagi

Eptatretus octatrema compared with Eptatretus burgeri

Key Differences

• Eightgill Hagfish is Critically Endangered while Nuta-unagi is Near Threatened.

Taxonomic Classification

Rank	Eightgill Hagfish	Nuta-unagi
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Myxini (ヌタウナギ綱)	Myxini (ヌタウナギ綱)
Order same	Myxiniformes (ヌタウナギ目)	Myxiniformes (ヌタウナギ目)
Family same	Myxinidae	Myxinidae
Genus same	Eptatretus	Eptatretus
Species	Eptatretus octatrema	Eptatretus burgeri

Evolutionary Relationship

Eightgill Hagfish and Nuta-unagi share a common ancestor at the Genus level: Eptatretus.

Conservation Status

Eightgill Hagfish

CR — Critically Endangered

Nuta-unagi

NT — Near Threatened

Physical Characteristics

Attribute	Eightgill Hagfish	Nuta-unagi
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eightgill Hagfish

Nuta-unagi

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.