Polar bear vs Smalldorsal cat shark

Ursus maritimus compared with Apristurus micropterygeus

Key Differences

• Polar bear is Vulnerable while Smalldorsal cat shark is Least Concern.

Taxonomic Classification

Rank	Polar bear	Smalldorsal cat shark
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Chondrichthyes (أسماك غضروفية)
Order	Carnivora (لواحم)	Carcharhiniformes (قرش أرضي)
Family	Ursidae (Bears)	Scyliorhinidae
Genus	Ursus (Bears)	Apristurus
Species	Ursus maritimus	Apristurus micropterygeus

Evolutionary Relationship

Polar bear and Smalldorsal cat shark share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Smalldorsal cat shark

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	Smalldorsal cat shark
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

Polar bear

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.

Smalldorsal cat shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Polar bear

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.