Opossum-souris commun vs Pacific Spiny-rat

Marmosa murina compared with Proechimys decumanus

Key Differences

• Opossum-souris commun is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Opossum-souris commun	Pacific Spiny-rat
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Didelphimorphia (Didelphimorphia)	Rodentia (Rodents)
Family	Didelphidae	Echimyidae
Genus	Marmosa	Proechimys
Species	Marmosa murina	Proechimys decumanus

Evolutionary Relationship

Opossum-souris commun and Pacific Spiny-rat share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

Opossum-souris commun

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Opossum-souris commun	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Opossum-souris commun

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.