Big-eared opossum vs Bigeye thresher

Didelphis aurita compared with Alopias pelagicus

Key Differences

• Big-eared opossum is Least Concern while Bigeye thresher is Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Bigeye thresher
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Didelphimorphia (Didelphimorphia)	Lamniformes (Mackerel Sharks)
Family	Didelphidae	Alopiidae
Genus	Didelphis	Alopias
Species	Didelphis aurita	Alopias pelagicus

Evolutionary Relationship

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

Conservation Status

Big-eared opossum

LC — Least Concern

Bigeye thresher

EN — Endangered

Physical Characteristics

Attribute	Big-eared opossum	Bigeye thresher
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bigeye thresher

Habitat

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

Range

Distributed across Colombia and Taiwan. Currently classified as Endangered 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.

Bigeye thresher

The Bigeye thresher (Alopias pelagicus) is a species in the genus Alopias. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.