Polar bear vs Smooth Fan Lobster

Ursus maritimus compared with Ibacus novemdentatus

Key Differences

• Polar bear is Vulnerable while Smooth Fan Lobster is Least Concern.

Taxonomic Classification

Rank	Polar bear	Smooth Fan Lobster
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum	Chordata (động vật có dây sống)	Arthropoda (động vật Chân khớp)
Class	Mammalia (lớp Thú)	Malacostraca (Lớp Giáp mềm)
Order	Carnivora (bộ Ăn thịt)	Decapoda (giáp xác mười chân)
Family	Ursidae (Bears)	Scyllaridae
Genus	Ursus (Bears)	Ibacus
Species	Ursus maritimus	Ibacus novemdentatus

Evolutionary Relationship

Polar bear and Smooth Fan Lobster share a common ancestor at the Kingdom level: Animalia. (động vật)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Smooth Fan Lobster

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	Smooth Fan Lobster
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.

Smooth Fan Lobster

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Taiwan.

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.