Pacific Spiny-rat vs Short-eared Possum

Proechimys decumanus compared with Trichosurus caninus

Key Differences

• Pacific Spiny-rat is Near Threatened while Short-eared Possum is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Short-eared Possum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Diprotodontia (Marsupials)
Family	Echimyidae	Phalangeridae
Genus	Proechimys	Trichosurus
Species	Proechimys decumanus	Trichosurus caninus

Evolutionary Relationship

Pacific Spiny-rat and Short-eared Possum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Short-eared Possum

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Short-eared Possum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Short-eared Possum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.