Black-shouldered Opossum vs Spinetail ray

Caluromysiops irrupta compared with Bathyraja spinicauda

Key Differences

• Black-shouldered Opossum is Least Concern while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Black-shouldered 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	Caluromysiops	Bathyraja
Species	Caluromysiops irrupta	Bathyraja spinicauda

Evolutionary Relationship

Black-shouldered Opossum and Spinetail ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Black-shouldered Opossum	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.

Black-shouldered Opossum

The Black-shouldered Opossum (Caluromysiops irrupta) is a species in the genus Caluromysiops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.