Big-eared opossum vs milk shark

Didelphis aurita compared with Rhizoprionodon acutus

Key Differences

• Big-eared opossum is Least Concern while milk shark is Vulnerable.

Taxonomic Classification

Rank	Big-eared opossum	milk shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Didelphimorphia (Didelphimorphia)	Carcharhiniformes (Ground Sharks)
Family	Didelphidae	Carcharhinidae
Genus	Didelphis	Rhizoprionodon
Species	Didelphis aurita	Rhizoprionodon acutus

Evolutionary Relationship

Big-eared opossum and milk shark share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

milk shark

VU — Vulnerable

Physical Characteristics

Attribute	Big-eared opossum	milk shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

milk shark

Habitat

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

Range

Distributed across Italy and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.