Big-eared opossum vs Spinetail ray

Didelphis aurita compared with Bathyraja spinicauda

Key Differences

• Big-eared opossum is Least Concern while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Big-eared opossum	Spinetail ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Didelphimorphia (Didelphimorphia)	Rajiformes (Rajiformes)
Family	Didelphidae	Arhynchobatidae
Genus	Didelphis	Bathyraja
Species	Didelphis aurita	Bathyraja spinicauda

Evolutionary Relationship

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

Conservation Status

Big-eared opossum

LC — Least Concern

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Big-eared opossum	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spinetail ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

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.