Eurasian beaver vs Lake Lamprey

Castor fiber compared with Entosphenus macrostomus

Key Differences

• Eurasian beaver is Vulnerable while Lake Lamprey is Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Lake Lamprey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Petromyzonti (Petromyzonti)
Order	Rodentia (Rodents)	Petromyzontiformes (lamprey)
Family	Castoridae (Beavers)	Petromyzontidae
Genus	Castor (Beavers)	Entosphenus
Species	Castor fiber	Entosphenus macrostomus

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Lake Lamprey

EN — Endangered

Physical Characteristics

Attribute	Eurasian beaver	Lake Lamprey
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.

Lake Lamprey

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.