Big-eared opossum vs Elephant fish

Didelphis aurita compared with Callorhinchus callorynchus

Key Differences

• Big-eared opossum is Least Concern while Elephant fish is Vulnerable.

Taxonomic Classification

Rank	Big-eared opossum	Elephant fish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Holocephali (Holocephali)
Order	Didelphimorphia (Didelphimorphia)	Chimaeriformes (Chimaeriformes)
Family	Didelphidae	Callorhinchidae
Genus	Didelphis	Callorhinchus
Species	Didelphis aurita	Callorhinchus callorynchus

Evolutionary Relationship

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

Conservation Status

Big-eared opossum

LC — Least Concern

Elephant fish

VU — Vulnerable

Physical Characteristics

Attribute	Big-eared opossum	Elephant fish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Elephant fish

Habitat

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

Range

Found in Chile. 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.