small tortoiseshell vs tiny risso snail

Aglais urticae compared with Rissoa parva

Key Differences

• small tortoiseshell is Near Threatened while tiny risso snail is Least Concern.

Taxonomic Classification

Rank	small tortoiseshell	tiny risso snail
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Mollusca (軟体動物)
Class	Insecta (昆虫)	Gastropoda (腹足綱)
Order	Lepidoptera (チョウ目)	Littorinimorpha (タマキビガイ下目)
Family	Nymphalidae (Brush-footed Butterflies)	Rissoidae
Genus	Aglais	Rissoa
Species	Aglais urticae	Rissoa parva

Evolutionary Relationship

small tortoiseshell and tiny risso snail share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

small tortoiseshell

NT — Near Threatened

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	small tortoiseshell	tiny risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

tiny risso snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

small tortoiseshell

スモールトータスシェル(Aglais urticae)はIUCNレッドリストで準絶滅危惧(NT)に分類されている。絶滅危惧種に分類される一歩手前の段階で、保全措置がなければ脆弱になる可能性のある個体群を持つ。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden