Ceylon Spiny Mouse vs Gray-bellied Night Monkey

Mus fernandoni compared with Aotus lemurinus

Key Differences

• Ceylon Spiny Mouse is Endangered while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Ceylon Spiny Mouse	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Primates (Primates)
Family	Muridae (Mice & Rats)	Aotidae
Genus	Mus (House Mice)	Aotus
Species	Mus fernandoni	Aotus lemurinus

Evolutionary Relationship

Ceylon Spiny Mouse and Gray-bellied Night Monkey share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Ceylon Spiny Mouse

EN — Endangered

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Ceylon Spiny Mouse	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ceylon Spiny Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Ceylon Spiny Mouse

The Ceylon Spiny Mouse (Mus fernandoni) is a species in the genus Mus. It is currently classified as Endangered on the IUCN Red List.