small tortoiseshell vs Swamp Dwarf Crayfish

Aglais urticae compared with Cambarellus puer

Key Differences

• small tortoiseshell is Near Threatened while Swamp Dwarf Crayfish is Least Concern.

Taxonomic Classification

Rank	small tortoiseshell	Swamp Dwarf 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)	Cambaridae
Genus	Aglais	Cambarellus
Species	Aglais urticae	Cambarellus puer

Evolutionary Relationship

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

Conservation Status

small tortoiseshell

NT — Near Threatened

Swamp Dwarf Crayfish

LC — Least Concern

Physical Characteristics

Attribute	small tortoiseshell	Swamp Dwarf 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.

Swamp Dwarf Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in Norway.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway