Dark blind ray vs Gray-bellied Night Monkey

Benthobatis moresbyi compared with Aotus lemurinus

Key Differences

• Dark blind ray is Least Concern while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Dark blind ray	Gray-bellied Night Monkey
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Elasmobranchii	Mammalia (포유류)
Order	Torpediniformes (전기가오리목)	Primates (영장목)
Family	Narcinidae	Aotidae
Genus	Benthobatis	Aotus
Species	Benthobatis moresbyi	Aotus lemurinus

Evolutionary Relationship

Dark blind ray and Gray-bellied Night Monkey share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

Dark blind ray

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Dark blind ray	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark blind 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.