Bely Medved vs Stone Crayfish

Ursus maritimus compared with Austropotamobius torrentium

Key Differences

• Bely Medved is Vulnerable while Stone Crayfish is Data Deficient.

Taxonomic Classification

Rank	Bely Medved	Stone Crayfish
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Chordata (хордовые)	Arthropoda (членистоногие)
Class	Mammalia (млекопитающие)	Malacostraca (высшие раки)
Order	Carnivora (хищные)	Decapoda (десятиногие ракообразные)
Family	Ursidae (Bears)	Astacidae
Genus	Ursus (Bears)	Austropotamobius
Species	Ursus maritimus	Austropotamobius torrentium

Evolutionary Relationship

Bely Medved and Stone Crayfish share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Bely Medved

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Stone Crayfish

DD — Data Deficient

Physical Characteristics

Attribute	Bely Medved	Stone Crayfish
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

Bely Medved

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.

Stone Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Bely Medved

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.