Bigeye Numbfish vs Eurasian beaver

Narcine oculifera compared with Castor fiber

Key Differences

• Bigeye Numbfish is Data Deficient while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Bigeye Numbfish	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	Narcine	Castor (Beavers)
Species	Narcine oculifera	Castor fiber

Evolutionary Relationship

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

Conservation Status

Bigeye Numbfish

DD — Data Deficient

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Bigeye Numbfish	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye Numbfish

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.

Bigeye Numbfish

The Bigeye Numbfish (Narcine oculifera) is a species in the genus Narcine.

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.