Atlantic Stream Crayfish vs Black-shouldered Opossum

Austropotamobius pallipes compared with Caluromysiops irrupta

Key Differences

• Atlantic Stream Crayfish is Endangered while Black-shouldered Opossum is Least Concern.

Taxonomic Classification

Rank	Atlantic Stream Crayfish	Black-shouldered Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Malacostraca (Crustaceans)	Mammalia (Mammals)
Order	Decapoda (Decapoda)	Didelphimorphia (Didelphimorphia)
Family	Astacidae	Didelphidae
Genus	Austropotamobius	Caluromysiops
Species	Austropotamobius pallipes	Caluromysiops irrupta

Evolutionary Relationship

Atlantic Stream Crayfish and Black-shouldered Opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Stream Crayfish

EN — Endangered

Black-shouldered Opossum

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Stream Crayfish	Black-shouldered Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Stream Crayfish

Habitat

Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm.

Range

Distributed across Ireland and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Atlantic Stream Crayfish

The Atlantic Stream Crayfish (Austropotamobius pallipes) is a species in the genus Austropotamobius. It is currently classified as Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm.

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.