Atlantic Smooth Dogfish vs Big-eared opossum

Mustelus canis compared with Didelphis aurita

Key Differences

• Atlantic Smooth Dogfish is Near Threatened while Big-eared opossum is Least Concern.

Taxonomic Classification

Rank	Atlantic Smooth Dogfish	Big-eared opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Didelphimorphia (Didelphimorphia)
Family	Triakidae	Didelphidae
Genus	Mustelus	Didelphis
Species	Mustelus canis	Didelphis aurita

Evolutionary Relationship

Atlantic Smooth Dogfish and Big-eared opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Smooth Dogfish

NT — Near Threatened

Big-eared opossum

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Smooth Dogfish	Big-eared opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Smooth Dogfish

Habitat

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

Range

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

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Atlantic Smooth Dogfish

The Atlantic Smooth Dogfish (Mustelus canis) is a species in the genus Mustelus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Big-eared opossum

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.