Thermen-Kahnschnecke vs Eisbär

Theodoxus prevostianus compared with Ursus maritimus

Key Differences

• Thermen-Kahnschnecke is Endangered while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Thermen-Kahnschnecke	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Chordata (Chordatiere)
Class	Gastropoda (Schnecken)	Mammalia (Säugetiere)
Order	Cycloneritida (Cycloneritida)	Carnivora (Raubtiere)
Family	Neritidae	Ursidae (Bears)
Genus	Theodoxus	Ursus (Bears)
Species	Theodoxus prevostianus	Ursus maritimus

Evolutionary Relationship

Thermen-Kahnschnecke and Eisbär share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Thermen-Kahnschnecke

EN — Endangered

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Thermen-Kahnschnecke	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Thermen-Kahnschnecke

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Eisbär

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.

Thermen-Kahnschnecke

The Black Nerite (Theodoxus prevostianus) is a species in the genus Theodoxus. It is currently classified as Endangered on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Eisbär

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