Black-shouldered Opossum vs Blue-nosed ray

Caluromysiops irrupta compared with Myliobatis freminvillei

Key Differences

• Black-shouldered Opossum is Least Concern while Blue-nosed ray is Vulnerable.

Taxonomic Classification

Rank	Black-shouldered Opossum	Blue-nosed ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Didelphimorphia (Didelphimorphia)	Myliobatiformes (Myliobatiformes)
Family	Didelphidae	Myliobatidae
Genus	Caluromysiops	Myliobatis
Species	Caluromysiops irrupta	Myliobatis freminvillei

Evolutionary Relationship

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

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Blue-nosed ray

VU — Vulnerable

Physical Characteristics

Attribute	Black-shouldered Opossum	Blue-nosed 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.

Blue-nosed ray

Habitat

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

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Blue-nosed ray

The Blue Nosed Ray (Myliobatis freminvillei) is a species in the genus Myliobatis. It is currently classified as Vulnerable on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.