Canadian beaver vs Devilray

Castor canadensis compared with Mobula japanica

Taxonomic Classification

Rank	Canadian beaver	Devilray
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)	Myliobatidae
Genus	Castor (Beavers)	Mobula
Species	Castor canadensis	Mobula japanica

Evolutionary Relationship

Canadian beaver and Devilray share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Devilray

NE — Not Evaluated

Physical Characteristics

Attribute	Canadian beaver	Devilray
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	1.0 m	—
Average Weight	25.0 kg	—

Habitat & Geographic Range

Canadian beaver

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Widely distributed across Europe (15 countries), North America (United States), and South America (Argentina, Chile).

Devilray

Habitat

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

Range

Distributed across Chile and Taiwan.

Canadian beaver

北美最大的啮齿动物加拿大河狸体重可达32公斤，是栖息于加拿大和美国北部河流、湖泊和湿地的杰出生态系统工程师。通过伐木和建造可达数百米的水坝形成水塘，为数百种物种提供生境。其巢穴和运河改变了整个流域。曾因毛皮贸易被猎杀至濒临灭绝，但种群已大幅恢复。

Shared Countries

Both species can be found in 1 countries:

🇨🇱 Chile