Eastern Pygmy Marmoset vs Pacific Spiny-rat

Cebuella niveiventris compared with Proechimys decumanus

Key Differences

• Eastern Pygmy Marmoset is Vulnerable while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Eastern Pygmy Marmoset	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	Callitrichidae	Echimyidae
Genus	Cebuella	Proechimys
Species	Cebuella niveiventris	Proechimys decumanus

Evolutionary Relationship

Eastern Pygmy Marmoset and Pacific Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Eastern Pygmy Marmoset

VU — Vulnerable

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Eastern Pygmy Marmoset	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Pygmy Marmoset

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador