Itomaki-ei vs Pacific Spiny-rat

Mobula japanica compared with Proechimys decumanus

Key Differences

• Itomaki-ei is Not Evaluated while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Itomaki-ei	Pacific 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 decumanus

Evolutionary Relationship

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

Conservation Status

Itomaki-ei

NE — Not Evaluated

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Itomaki-ei	Pacific 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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.