كلب البحر الأملس نظيف vs Polar bear

Mustelus griseus compared with Ursus maritimus

Key Differences

• كلب البحر الأملس نظيف is Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank	كلب البحر الأملس نظيف	Polar bear
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Chondrichthyes (أسماك غضروفية)	Mammalia (ثدييات)
Order	Carcharhiniformes (قرش أرضي)	Carnivora (لواحم)
Family	Triakidae	Ursidae (Bears)
Genus	Mustelus	Ursus (Bears)
Species	Mustelus griseus	Ursus maritimus

Evolutionary Relationship

كلب البحر الأملس نظيف and Polar bear share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

كلب البحر الأملس نظيف

EN — Endangered

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	كلب البحر الأملس نظيف	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

كلب البحر الأملس نظيف

Habitat

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

Range

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

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.