Black-shouldered Opossum vs Dwarf round ray

Caluromysiops irrupta compared with Urotrygon nana

Key Differences

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

Taxonomic Classification

Rank	Black-shouldered Opossum	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Didelphimorphia (Didelphimorphia)	Myliobatiformes (Myliobatiformes)
Family	Didelphidae	Urotrygonidae
Genus	Caluromysiops	Urotrygon
Species	Caluromysiops irrupta	Urotrygon nana

Evolutionary Relationship

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

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Black-shouldered Opossum	Dwarf round 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.

Dwarf round ray

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.