Large Japanese Field Mouse vs Simons’s Mouse Opossum

Apodemus speciosus compared with Marmosa simonsi

Key Differences

• Large Japanese Field Mouse is Least Concern while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Large Japanese Field Mouse	Simons’s Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Muridae (Mice & Rats)	Didelphidae
Genus	Apodemus	Marmosa
Species	Apodemus speciosus	Marmosa simonsi

Evolutionary Relationship

Large Japanese Field Mouse and Simons’s Mouse Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Large Japanese Field Mouse

LC — Least Concern

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Large Japanese Field Mouse	Simons’s Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Large Japanese Field Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.