Formosan rock macaque vs Pacific Spiny-rat

Macaca cyclopis compared with Proechimys decumanus

Key Differences

• Formosan rock macaque is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Formosan rock macaque	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Rodentia (Rodents)
Family	Cercopithecidae (Old World Monkeys)	Echimyidae
Genus	Macaca	Proechimys
Species	Macaca cyclopis	Proechimys decumanus

Evolutionary Relationship

Formosan rock macaque and Pacific Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Formosan rock macaque

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Formosan rock macaque	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Formosan rock macaque

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Japan and Taiwan.

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.