Brown stingray vs Canadian beaver

Hemitrygon akajei compared with Castor canadensis

Key Differences

• Brown stingray is Near Threatened while Canadian beaver is Not Evaluated.

Taxonomic Classification

Rank	Brown stingray	Canadian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Dasyatidae	Castoridae (Beavers)
Genus	Hemitrygon	Castor (Beavers)
Species	Hemitrygon akajei	Castor canadensis

Evolutionary Relationship

Brown stingray and Canadian beaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown stingray

NT — Near Threatened

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Brown stingray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Brown stingray

The Brown Stingray (Hemitrygon akajei) is a species in the genus Hemitrygon. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

Canadian beaver

The largest rodent in North America, Canadian beavers weigh up to 32 kg and are master ecosystem engineers inhabiting rivers, lakes, and wetlands across Canada and the northern United States. By felling trees and constructing dams up to hundreds of meters long, beavers create ponds that provide habitat for hundreds of species. Their lodges and canals transform entire watersheds. Once nearly hunted to extinction for their fur, beaver populations have recovered strongly.