Black arion vs brittlestar

Arion ater compared with Amphiura chiajei

Key Differences

• Black arion is Not Evaluated while brittlestar is Least Concern.

Taxonomic Classification

Rank	Black arion	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Echinodermata (Echinoderms)
Class	Gastropoda (Gastropoda)	Ophiuroidea (Ophiuroidea)
Order	Stylommatophora (Stylommatophora)	Amphilepidida (Amphilepidida)
Family	Arionidae	Amphiuridae
Genus	Arion	Amphiura
Species	Arion ater	Amphiura chiajei

Evolutionary Relationship

Black arion and brittlestar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black arion

NE — Not Evaluated

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Black arion	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black arion

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, Sweden, and United States.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Black arion

The Black arion (Arion ater) is a species in the genus Arion. Typically found in terrestrial and aquatic habitats including forests and freshwater.

brittlestar

The Brittlestar (Amphiura chiajei) 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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden