Gray-bellied Night Monkey vs Round Ray

Aotus lemurinus compared with Rajella fyllae

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Rajiformes (Rajiformes)
Family	Aotidae	Rajidae
Genus	Aotus	Rajella
Species	Aotus lemurinus	Rajella fyllae

Evolutionary Relationship

Gray-bellied Night Monkey and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Round Ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.