Eurasian beaver vs Halberd shark

Castor fiber compared with Pristiophorus japonicus

Key Differences

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

Taxonomic Classification

Rank	Eurasian beaver	Halberd shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Pristiophoriformes (Pristiophoriformes)
Family	Castoridae (Beavers)	Pristiophoridae
Genus	Castor (Beavers)	Pristiophorus
Species	Castor fiber	Pristiophorus japonicus

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Halberd shark

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Halberd 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.

Halberd shark

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.