Black-shouldered Opossum vs Blacktail spurdog

Caluromysiops irrupta compared with Squalus melanurus

Key Differences

• Black-shouldered Opossum is Least Concern while Blacktail spurdog is Data Deficient.

Taxonomic Classification

Rank	Black-shouldered Opossum	Blacktail spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Didelphimorphia (Didelphimorphia)	Squaliformes (Squaliformes)
Family	Didelphidae	Squalidae
Genus	Caluromysiops	Squalus
Species	Caluromysiops irrupta	Squalus melanurus

Evolutionary Relationship

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

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Blacktail spurdog

DD — Data Deficient

Physical Characteristics

Attribute	Black-shouldered Opossum	Blacktail spurdog
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.

Blacktail spurdog

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.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.