Eurasian beaver vs Ghost shark

Castor fiber compared with Hydrolagus mitsukurii

Key Differences

• Eurasian beaver is Vulnerable while Ghost shark is Near Threatened.

Taxonomic Classification

Rank	Eurasian beaver	Ghost shark
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)	Hydrolagus
Species	Castor fiber	Hydrolagus mitsukurii

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Ghost shark

NT — Near Threatened

Physical Characteristics

Attribute	Eurasian beaver	Ghost shark
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.

Ghost shark

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.