Buff-bellied Fat-tailed Mouse Opossum vs Pacific Spiny-rat

Thylamys venustus compared with Proechimys decumanus

Key Differences

• Buff-bellied Fat-tailed Mouse Opossum is Data Deficient while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Buff-bellied Fat-tailed Mouse Opossum	Pacific Spiny-rat
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	Echimyidae
Genus	Thylamys	Proechimys
Species	Thylamys venustus	Proechimys decumanus

Evolutionary Relationship

Buff-bellied Fat-tailed Mouse Opossum and Pacific Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Buff-bellied Fat-tailed Mouse Opossum

DD — Data Deficient

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Buff-bellied Fat-tailed Mouse Opossum	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Buff-bellied Fat-tailed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Buff-bellied Fat-tailed Mouse Opossum

The Buff-Bellied Fat-Tailed Mouse Opossum (Thylamys venustus) is a species in the genus Thylamys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.