Chilean Hagfish vs Eisbär

Eptatretus polytrema compared with Ursus maritimus

Key Differences

• Chilean Hagfish is Data Deficient while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Chilean Hagfish	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Myxini (Myxini)	Mammalia (Säugetiere)
Order	Myxiniformes (Myxiniformes)	Carnivora (Raubtiere)
Family	Myxinidae	Ursidae (Bears)
Genus	Eptatretus	Ursus (Bears)
Species	Eptatretus polytrema	Ursus maritimus

Evolutionary Relationship

Chilean Hagfish and Eisbär share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Chilean Hagfish

DD — Data Deficient

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Chilean Hagfish	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Chilean Hagfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

Eisbär

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Chilean Hagfish

The Chilean Hagfish (Eptatretus polytrema) is a species in the genus Eptatretus. It is currently classified as Data Deficient on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

Eisbär

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.