Broadfin shark vs Canadian beaver

Negaprion acutidens compared with Castor canadensis

Key Differences

• Broadfin shark is Endangered while Canadian beaver is Not Evaluated.

Taxonomic Classification

Rank	Broadfin shark	Canadian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Rodentia (Rodents)
Family	Carcharhinidae	Castoridae (Beavers)
Genus	Negaprion	Castor (Beavers)
Species	Negaprion acutidens	Castor canadensis

Evolutionary Relationship

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

Conservation Status

Broadfin shark

EN — Endangered

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Broadfin shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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).

Broadfin shark

The Broadfin shark (Negaprion acutidens) is a species in the genus Negaprion. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

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.