Atlantic chimaera vs Eurasian beaver

Hydrolagus affinis compared with Castor fiber

Key Differences

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

Taxonomic Classification

Rank	Atlantic chimaera	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Holocephali (Holocephali)	Mammalia (Mammals)
Order	Chimaeriformes (Chimaeriformes)	Rodentia (Rodents)
Family	Chimaeridae	Castoridae (Beavers)
Genus	Hydrolagus	Castor (Beavers)
Species	Hydrolagus affinis	Castor fiber

Evolutionary Relationship

Atlantic chimaera and Eurasian beaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic chimaera

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Atlantic chimaera

Habitat

Native to Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile and Portugal.

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.

Atlantic chimaera

The Atlantic chimaera (Hydrolagus affinis) is a species in the genus Hydrolagus. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and South America, inhabiting ecosystems characteristic of the region.

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.

Shared Countries

Both species can be found in 1 countries:

🇵🇹 Portugal