Fake round ray vs Gray-bellied Night Monkey

Urotrygon simulatrix compared with Aotus lemurinus

Taxonomic Classification

Rank	Fake round ray	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Primates (Primates)
Family	Urotrygonidae	Aotidae
Genus	Urotrygon	Aotus
Species	Urotrygon simulatrix	Aotus lemurinus

Evolutionary Relationship

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

Conservation Status

Fake round ray

VU — Vulnerable

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Fake round ray	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fake round ray

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.