small tortoiseshell vs Stone Crayfish

Aglais urticae compared with Austropotamobius torrentium

Key Differences

• small tortoiseshell is Near Threatened while Stone Crayfish is Data Deficient.

Taxonomic Classification

Rank	small tortoiseshell	Stone Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Insecta (Insects)	Malacostraca (Crustaceans)
Order	Lepidoptera (Butterflies & Moths)	Decapoda (Decapoda)
Family	Nymphalidae (Brush-footed Butterflies)	Astacidae
Genus	Aglais	Austropotamobius
Species	Aglais urticae	Austropotamobius torrentium

Evolutionary Relationship

small tortoiseshell and Stone Crayfish share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

small tortoiseshell

NT — Near Threatened

Stone Crayfish

DD — Data Deficient

Physical Characteristics

Attribute	small tortoiseshell	Stone Crayfish
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.

Stone Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.