Eurasian beaver vs Isopod

Castor fiber compared with Porcellio dilatatus

Key Differences

• Eurasian beaver is Vulnerable while Isopod is Not Evaluated.

Taxonomic Classification

Rank	Eurasian beaver	Isopod
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Malacostraca (Crustaceans)
Order	Rodentia (Rodents)	Isopoda (Isopoda)
Family	Castoridae (Beavers)	Porcellionidae
Genus	Castor (Beavers)	Porcellio
Species	Castor fiber	Porcellio dilatatus

Evolutionary Relationship

Eurasian beaver and Isopod share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Isopod

NE — Not Evaluated

Physical Characteristics

Attribute	Eurasian beaver	Isopod
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.

Isopod

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Brazil).

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.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden