Guinea pig vs Pacific Spiny-rat

Cavia porcellus compared with Proechimys decumanus

Key Differences

• Guinea pig is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Guinea pig	Pacific Spiny-rat
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order same	Rodentia (อันดับสัตว์ฟันแทะ)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Caviidae	Echimyidae
Genus	Cavia	Proechimys
Species	Cavia porcellus	Proechimys decumanus

Evolutionary Relationship

Guinea pig and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (อันดับสัตว์ฟันแทะ)

Conservation Status

Guinea pig

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Guinea pig	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guinea pig

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Europe (6 countries), North America (Cuba), Oceania and the Pacific (Australia), and South America (Colombia, Ecuador).

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.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador