Dark blind ray vs Eurasian beaver

Benthobatis moresbyi compared with Castor fiber

Key Differences

• Dark blind ray is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Dark blind ray	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Torpediniformes (electric ray)	Rodentia (Rodents)
Family	Narcinidae	Castoridae (Beavers)
Genus	Benthobatis	Castor (Beavers)
Species	Benthobatis moresbyi	Castor fiber

Evolutionary Relationship

Dark blind ray and Eurasian beaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dark blind ray

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Dark blind ray	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark blind ray

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.