Eurasian beaver vs Opal chimaera

Castor fiber compared with Chimaera opalescens

Key Differences

• Eurasian beaver is Vulnerable while Opal chimaera is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Opal chimaera
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Holocephali (全頭亜綱)
Order	Rodentia (ネズミ目)	Chimaeriformes (ギンザメ目)
Family	Castoridae (Beavers)	Chimaeridae
Genus	Castor (Beavers)	Chimaera
Species	Castor fiber	Chimaera opalescens

Evolutionary Relationship

Eurasian beaver and Opal chimaera share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Eurasian beaver

VU — Vulnerable

Opal chimaera

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Opal chimaera
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Opal chimaera

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。