Eurasian beaver vs Minute bladder bug

Castor fiber compared with Loricula pselaphiformis

Key Differences

• Eurasian beaver is Vulnerable while Minute bladder bug is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Minute bladder bug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Hemiptera (Hemiptera)
Family	Castoridae (Beavers)	Microphysidae
Genus	Castor (Beavers)	Loricula
Species	Castor fiber	Loricula pselaphiformis

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Minute bladder bug

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Minute bladder bug
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.

Minute bladder bug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden