Black-shouldered Opossum vs Humpback smooth hound

Caluromysiops irrupta compared with Mustelus whitneyi

Key Differences

• Black-shouldered Opossum is Least Concern while Humpback smooth hound is Critically Endangered.

Taxonomic Classification

Rank	Black-shouldered Opossum	Humpback smooth hound
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Didelphimorphia (Didelphimorphia)	Carcharhiniformes (Ground Sharks)
Family	Didelphidae	Triakidae
Genus	Caluromysiops	Mustelus
Species	Caluromysiops irrupta	Mustelus whitneyi

Evolutionary Relationship

Black-shouldered Opossum and Humpback smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Humpback smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Black-shouldered Opossum	Humpback smooth hound
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.

Humpback smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Found in Chile. Currently classified as Critically Endangered 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.