brittlestar vs Sowerby's keeled slug

Amphiura filiformis compared with Tandonia sowerbyi

Key Differences

• brittlestar is Least Concern while Sowerby's keeled slug is Data Deficient.

Taxonomic Classification

Rank	brittlestar	Sowerby's keeled slug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Mollusca (Mollusks)
Class	Ophiuroidea (Ophiuroidea)	Gastropoda (Gastropoda)
Order	Amphilepidida (Amphilepidida)	Stylommatophora (Stylommatophora)
Family	Amphiuridae	Milacidae
Genus	Amphiura	Tandonia
Species	Amphiura filiformis	Tandonia sowerbyi

Evolutionary Relationship

brittlestar and Sowerby's keeled slug share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

Sowerby's keeled slug

DD — Data Deficient

Physical Characteristics

Attribute	brittlestar	Sowerby's keeled slug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Sowerby's keeled slug

Habitat

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

Range

Found across Europe (10 countries) and Oceania and the Pacific (New Zealand).

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.