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 (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Holocephali (Holocephali)
Order	Rodentia (Rodents)	Chimaeriformes (Chimaeriformes)
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. (Chordates)

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

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.