قِرش حزين طويل الزَّعنفة الظّهرية vs Polar bear

Centrophorus lusitanicus compared with Ursus maritimus

Key Differences

• قِرش حزين طويل الزَّعنفة الظّهرية is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	قِرش حزين طويل الزَّعنفة الظّهرية	Polar bear
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Elasmobranchii	Mammalia (ثدييات)
Order	Squaliformes (قرشيات)	Carnivora (لواحم)
Family	Centrophoridae	Ursidae (Bears)
Genus	Centrophorus	Ursus (Bears)
Species	Centrophorus lusitanicus	Ursus maritimus

Evolutionary Relationship

قِرش حزين طويل الزَّعنفة الظّهرية and Polar bear share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

قِرش حزين طويل الزَّعنفة الظّهرية

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	قِرش حزين طويل الزَّعنفة الظّهرية	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

قِرش حزين طويل الزَّعنفة الظّهرية

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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.