Itomaki-ei vs Gray-bellied Night Monkey

Mobula japanica compared with Aotus lemurinus

Key Differences

• Itomaki-ei is Not Evaluated while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Itomaki-ei	Gray-bellied Night Monkey
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Mammalia (哺乳類)
Order	Myliobatiformes (トビエイ目)	Primates (サル目)
Family	Myliobatidae	Aotidae
Genus	Mobula	Aotus
Species	Mobula japanica	Aotus lemurinus

Evolutionary Relationship

Itomaki-ei and Gray-bellied Night Monkey share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Itomaki-ei

NE — Not Evaluated

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Itomaki-ei	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Itomaki-ei

Habitat

Native to Asia and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile and Taiwan.

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.