Polar bear vs Qiu Shi Ze Crab

Ursus maritimus compared with Geothelphusa chiui

Key Differences

• Polar bear is Vulnerable while Qiu Shi Ze Crab is Data Deficient.

Taxonomic Classification

Rank	Polar bear	Qiu Shi Ze Crab
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum	Chordata (रज्जुकी)	Arthropoda (सन्धिपाद)
Class	Mammalia (स्तनधारी)	Malacostraca (Crustaceans)
Order	Carnivora (मांसाहारी गण)	Decapoda (Decapoda)
Family	Ursidae (Bears)	Potamidae
Genus	Ursus (Bears)	Geothelphusa
Species	Ursus maritimus	Geothelphusa chiui

Evolutionary Relationship

Polar bear and Qiu Shi Ze Crab share a common ancestor at the Kingdom level: Animalia. (प्राणी)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Qiu Shi Ze Crab

DD — Data Deficient

Physical Characteristics

Attribute	Polar bear	Qiu Shi Ze Crab
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.

Qiu Shi Ze Crab

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.