Asian paddle crab vs Polar bear

Charybdis japonica compared with Ursus maritimus

Key Differences

• Asian paddle crab is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Asian paddle crab	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Malacostraca (Crustaceans)	Mammalia (Mammals)
Order	Decapoda (Decapoda)	Carnivora (Carnivorans)
Family	Portunidae	Ursidae (Bears)
Genus	Charybdis	Ursus (Bears)
Species	Charybdis japonica	Ursus maritimus

Evolutionary Relationship

Asian paddle crab and Polar bear share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Asian paddle crab

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Asian paddle crab	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Asian paddle crab

Habitat

Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (4 countries), Europe (Italy, Norway, Sweden), and Oceania and the Pacific (Australia, New Zealand).

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.

Asian paddle crab

The Asian paddle crab (Charybdis japonica) is a species in the genus Charybdis. Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm. Widely distributed across Asia (4 countries), Europe (Italy, Norway, Sweden), and Oceania and the Pacific (Australia, New Zealand).

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway