Pfeilkopf-Dornhai vs Eisbär

Deania profundorum compared with Ursus maritimus

Key Differences

• Pfeilkopf-Dornhai is Near Threatened while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Pfeilkopf-Dornhai	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Elasmobranchii	Mammalia (Säugetiere)
Order	Squaliformes (Dornhaiartige)	Carnivora (Raubtiere)
Family	Centrophoridae	Ursidae (Bears)
Genus	Deania	Ursus (Bears)
Species	Deania profundorum	Ursus maritimus

Evolutionary Relationship

Pfeilkopf-Dornhai and Eisbär share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Pfeilkopf-Dornhai

NT — Near Threatened

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Pfeilkopf-Dornhai	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Pfeilkopf-Dornhai

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Portugal and Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Pfeilkopf-Dornhai

The Arrowhead dogfish, Deania profundorum, is a species. It is currently assessed as near threatened on the IUCN Red List. Native to Asia and Europe, 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.