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 (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Mollusca (软体动物门)
Class	Insecta (昆蟲綱)	Gastropoda (腹足纲)
Order	Lepidoptera (鱗翅目)	Littorinimorpha (滨螺形目)
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. (动物界)

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

小玳瑁蛱蝶(Aglais urticae)在IUCN红色名录中被列为近危(NT)物种。接近符合受威胁种标准，如无保护措施，种群可能变得脆弱。

Shared Countries

Both species can be found in 4 countries:

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