Eurasian beaver vs Mandarin dogfish

Castor fiber compared with Cirrhigaleus barbifer

Key Differences

• Eurasian beaver is Vulnerable while Mandarin dogfish is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Mandarin dogfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Squaliformes (Squaliformes)
Family	Castoridae (Beavers)	Squalidae
Genus	Castor (Beavers)	Cirrhigaleus
Species	Castor fiber	Cirrhigaleus barbifer

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Mandarin dogfish

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Mandarin dogfish
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.

Mandarin dogfish

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

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.