Thermen-Kahnschnecke vs Polynesian rat

Theodoxus prevostianus compared with Rattus exulans

Key Differences

• Thermen-Kahnschnecke is Endangered while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Thermen-Kahnschnecke	Polynesian rat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Chordata (Chordatiere)
Class	Gastropoda (Schnecken)	Mammalia (Säugetiere)
Order	Cycloneritida (Cycloneritida)	Rodentia (Nagetiere)
Family	Neritidae	Muridae (Mice & Rats)
Genus	Theodoxus	Rattus
Species	Theodoxus prevostianus	Rattus exulans

Evolutionary Relationship

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

Conservation Status

Thermen-Kahnschnecke

EN — Endangered

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Thermen-Kahnschnecke	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

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.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

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.