Eurasian water shrew vs Flat Periwinkle

Neomys fodiens compared with Littorina obtusata

Key Differences

• Eurasian water shrew is Endangered while Flat Periwinkle is Least Concern.

Taxonomic Classification

Rank	Eurasian water shrew	Flat Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Soricomorpha (Soricomorpha)	Littorinimorpha (Littorinimorpha)
Family	Soricidae	Littorinidae
Genus	Neomys	Littorina
Species	Neomys fodiens	Littorina obtusata

Evolutionary Relationship

Eurasian water shrew and Flat Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian water shrew

EN — Endangered

Flat Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Eurasian water shrew	Flat Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian water shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Flat Periwinkle

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Eurasian water shrew

Eurasian water shrew (Neomys fodiens) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden