Eastern Spiny Mouse vs Simons’s Mouse Opossum

Acomys dimidiatus compared with Marmosa simonsi

Key Differences

• Eastern Spiny Mouse is Least Concern while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Eastern Spiny 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	Acomys	Marmosa
Species	Acomys dimidiatus	Marmosa simonsi

Evolutionary Relationship

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

Conservation Status

Eastern Spiny Mouse

LC — Least Concern

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Eastern Spiny Mouse	Simons’s Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Spiny 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.