Eurasian beaver vs Leopard Numbfish

Castor fiber compared with Narcine leoparda

Taxonomic Classification

Rank	Eurasian beaver	Leopard Numbfish
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Elasmobranchii
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Torpediniformes (ปลากระเบนไฟฟ้า)
Family	Castoridae (Beavers)	Narcinidae
Genus	Castor (Beavers)	Narcine
Species	Castor fiber	Narcine leoparda

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Leopard Numbfish

VU — Vulnerable

Physical Characteristics

Attribute	Eurasian beaver	Leopard Numbfish
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.

Leopard Numbfish

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.