Itomaki-ei vs Eurasian beaver

Mobula japanica compared with Castor fiber

Key Differences

• Itomaki-ei is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Itomaki-ei	Eurasian beaver
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	Castoridae (Beavers)
Genus	Mobula	Castor (Beavers)
Species	Mobula japanica	Castor fiber

Evolutionary Relationship

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

Conservation Status

Itomaki-ei

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Itomaki-ei	Eurasian beaver
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.

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Eurasian beaver

ユーラシアビーバー（Castor fiber）はIUCNレッドリストで絶滅危惧II類（VU）に分類されています。個体群の減少と生息地への圧力の増大により、野生での絶滅危険度が高い状況に直面しています。