Electric ray vs Eurasian beaver

Tetronarce californica compared with Castor fiber

Key Differences

• Electric ray is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Electric 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	Torpedinidae	Castoridae (Beavers)
Genus	Tetronarce	Castor (Beavers)
Species	Tetronarce californica	Castor fiber

Evolutionary Relationship

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

Conservation Status

Electric ray

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Electric ray	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Electric 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.