Eurasian water shrew vs Simons’s Mouse Opossum

Neomys fodiens compared with Marmosa simonsi

Key Differences

• Eurasian water shrew is Endangered while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Eurasian water shrew	Simons’s Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Soricomorpha (Soricomorpha)	Didelphimorphia (Didelphimorphia)
Family	Soricidae	Didelphidae
Genus	Neomys	Marmosa
Species	Neomys fodiens	Marmosa simonsi

Evolutionary Relationship

Eurasian water shrew and Simons’s Mouse Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Eurasian water shrew

EN — Endangered

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian water shrew	Simons’s Mouse Opossum
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.

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.