Eurasian beaver vs Mackerel shark

Castor fiber compared with Lamna ditropis

Key Differences

• Eurasian beaver is Vulnerable while Mackerel shark is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Mackerel shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Rodentia (Rodents)	Lamniformes (Mackerel Sharks)
Family	Castoridae (Beavers)	Lamnidae (Mackerel Sharks)
Genus	Castor (Beavers)	Lamna
Species	Castor fiber	Lamna ditropis

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Mackerel shark

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Mackerel 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.

Mackerel shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.