Polar bear vs Red-crusted Pea Mussel

Ursus maritimus compared with Euglesa personata

Key Differences

• Polar bear is Vulnerable while Red-crusted Pea Mussel is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	Red-crusted Pea Mussel
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Chordata (حبليات)	Mollusca (رخويات)
Class	Mammalia (ثدييات)	Bivalvia (ذوات الصدفتين)
Order	Carnivora (لواحم)	Sphaeriida (Sphaeriida)
Family	Ursidae (Bears)	Sphaeriidae
Genus	Ursus (Bears)	Euglesa
Species	Ursus maritimus	Euglesa personata

Evolutionary Relationship

Polar bear and Red-crusted Pea Mussel share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Red-crusted Pea Mussel

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	Red-crusted Pea Mussel
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.

Red-crusted Pea Mussel

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, and Norway.

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