Eurasian beaver vs Rosette river stingray

Castor fiber compared with Potamotrygon schroederi

Key Differences

• Eurasian beaver is Vulnerable while Rosette river stingray is Data Deficient.

Taxonomic Classification

Rank	Eurasian beaver	Rosette river stingray
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Elasmobranchii
Order	Rodentia (啮齿目)	Myliobatiformes (鱝目)
Family	Castoridae (Beavers)	Potamotrygonidae
Genus	Castor (Beavers)	Potamotrygon
Species	Castor fiber	Potamotrygon schroederi

Evolutionary Relationship

Eurasian beaver and Rosette river stingray share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Eurasian beaver

VU — Vulnerable

Rosette river stingray

DD — Data Deficient

Physical Characteristics

Attribute	Eurasian beaver	Rosette river stingray
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.

Rosette river stingray

Habitat

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

Range

Distributed across Colombia and Venezuela.

Eurasian beaver

欧亚河狸（Castor fiber）在IUCN红色名录中被列为易危（VU）。面临野外高度濒危风险，种群数量下降，栖息地压力日益增大。