Gray-bellied Night Monkey vs Reticulate round ray

Aotus lemurinus compared with Urotrygon reticulata

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Reticulate round ray is Critically Endangered.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Reticulate round ray

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Reticulate 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.

Reticulate round ray