Darkface arion vs Disappearing Soil Slug

Arion distinctus compared with Arion occultus

Key Differences

• Darkface arion is Least Concern while Disappearing Soil Slug is Data Deficient.

Taxonomic Classification

Rank	Darkface arion	Disappearing Soil Slug
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Mollusca (軟体動物)	Mollusca (軟体動物)
Class same	Gastropoda (腹足綱)	Gastropoda (腹足綱)
Order same	Stylommatophora (Stylommatophora)	Stylommatophora (Stylommatophora)
Family same	Arionidae	Arionidae
Genus same	Arion	Arion
Species	Arion distinctus	Arion occultus

Evolutionary Relationship

Darkface arion and Disappearing Soil Slug share a common ancestor at the Genus level: Arion.

Conservation Status

Darkface arion

LC — Least Concern

Disappearing Soil Slug

DD — Data Deficient

Physical Characteristics

Attribute	Darkface arion	Disappearing Soil Slug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Darkface arion

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (12 countries), North America (United States), and Oceania and the Pacific (New Zealand).

Disappearing Soil Slug

Habitat

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

Range

Found in Ireland.