doubletoothed hydroid vs Eurasian beaver

Obelia bidentata compared with Castor fiber

Key Differences

• doubletoothed hydroid is Not Evaluated while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	doubletoothed hydroid	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Cnidaria (Cnidarians)	Chordata (Chordates)
Class	Hydrozoa (Hydrozoa)	Mammalia (Mammals)
Order	Leptothecata (Leptothecata)	Rodentia (Rodents)
Family	Campanulariidae	Castoridae (Beavers)
Genus	Obelia	Castor (Beavers)
Species	Obelia bidentata	Castor fiber

Evolutionary Relationship

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

Conservation Status

doubletoothed hydroid

NE — Not Evaluated

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	doubletoothed hydroid	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

doubletoothed hydroid

Habitat

Native to Africa and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Argentina, Belgium, Brazil, Portugal, and South Africa.

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.

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 2 countries:

🇧🇪 Belgium 🇵🇹 Portugal