Itomaki-ei vs Gray-footed Spiny-rat

Mobula japanica compared with Proechimys poliopus

Key Differences

• Itomaki-ei is Not Evaluated while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Itomaki-ei	Gray-footed Spiny-rat
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)	Rodentia (ネズミ目)
Family	Myliobatidae	Echimyidae
Genus	Mobula	Proechimys
Species	Mobula japanica	Proechimys poliopus

Evolutionary Relationship

Itomaki-ei and Gray-footed Spiny-rat share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Itomaki-ei

NE — Not Evaluated

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Itomaki-ei	Gray-footed Spiny-rat
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-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.