Japanischer Hornhai vs Eisbär

Heterodontus japonicus compared with Ursus maritimus

Key Differences

• Japanischer Hornhai is Least Concern while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Japanischer Hornhai	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Elasmobranchii	Mammalia (Säugetiere)
Order	Heterodontiformes (Heterodontiformes)	Carnivora (Raubtiere)
Family	Heterodontidae	Ursidae (Bears)
Genus	Heterodontus	Ursus (Bears)
Species	Heterodontus japonicus	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

Japanischer Hornhai

LC — Least Concern

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Japanischer Hornhai	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Japanischer Hornhai

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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.

Japanischer Hornhai

The Bull-head shark (Heterodontus japonicus) is a species in the genus Heterodontus. It is currently classified as Least Concern on the IUCN Red List. Native to Asia, 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.