Pacific Spiny-rat vs Ryukyu Mouse

Proechimys decumanus compared with Mus caroli

Key Differences

• Pacific Spiny-rat is Near Threatened while Ryukyu Mouse is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Ryukyu Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Echimyidae	Muridae (Mice & Rats)
Genus	Proechimys	Mus (House Mice)
Species	Proechimys decumanus	Mus caroli

Evolutionary Relationship

Pacific Spiny-rat and Ryukyu Mouse share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Ryukyu Mouse

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Ryukyu Mouse
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.

Ryukyu Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan.