Dusky Slender Opossum vs house mouse

Marmosops fuscatus compared with Mus musculus

Key Differences

• Dusky Slender Opossum is Data Deficient while house mouse is Least Concern.

Taxonomic Classification

Rank	Dusky Slender Opossum	house mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Didelphimorphia (Didelphimorphia)	Rodentia (Rodents)
Family	Didelphidae	Muridae (Mice & Rats)
Genus	Marmosops	Mus (House Mice)
Species	Marmosops fuscatus	Mus musculus

Evolutionary Relationship

Dusky Slender Opossum and house mouse share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Dusky Slender Opossum

DD — Data Deficient

house mouse

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Dusky Slender Opossum	house mouse
Diet	—	Omnivore
Average Lifespan	—	2 years
Average Length	—	9 cm
Average Weight	—	20 g

Habitat & Geographic Range

Dusky Slender Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

house mouse

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (9 countries), Asia (13 countries), Europe (41 countries), North America (14 countries), Oceania and the Pacific (12 countries), and South America (10 countries).

house mouse

Among the most widespread and numerous mammals on Earth, house mice originated in South Asia and have accompanied human civilization across every continent except Antarctica. Weighing just 15–25 g, they are highly adaptable omnivores capable of surviving on minimal food and water. As the world's most commonly used laboratory animal, the house mouse has contributed to virtually every branch of biomedical research. They cause significant agricultural damage globally.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela