Atlantic Stream Crayfish vs brittlestar

Austropotamobius pallipes compared with Amphiura filiformis

Key Differences

• Atlantic Stream Crayfish is Endangered while brittlestar is Least Concern.

Taxonomic Classification

Rank	Atlantic Stream Crayfish	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Echinodermata (Echinoderms)
Class	Malacostraca (Crustaceans)	Ophiuroidea (Ophiuroidea)
Order	Decapoda (Decapoda)	Amphilepidida (Amphilepidida)
Family	Astacidae	Amphiuridae
Genus	Austropotamobius	Amphiura
Species	Austropotamobius pallipes	Amphiura filiformis

Evolutionary Relationship

Atlantic Stream Crayfish and brittlestar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Atlantic Stream Crayfish

EN — Endangered

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Stream Crayfish	brittlestar
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.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

brittlestar

The Brittlestar (Amphiura filiformis) is a species in the genus Amphiura. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.