Johan s Spiny Mouse vs Pacific Spiny-rat

Acomys johannis compared with Proechimys decumanus

Key Differences

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

Taxonomic Classification

Rank	Johan s Spiny Mouse	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Rodentia (Roedores)	Rodentia (Roedores)
Family	Muridae (Mice & Rats)	Echimyidae
Genus	Acomys	Proechimys
Species	Acomys johannis	Proechimys decumanus

Evolutionary Relationship

Johan s Spiny Mouse and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (Roedores)

Conservation Status

Johan s Spiny Mouse

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Johan s Spiny Mouse	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Johan s Spiny Mouse

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.