Deceitful Crayfish vs small tortoiseshell

Procambarus fallax compared with Aglais urticae

Key Differences

• Deceitful Crayfish is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Deceitful Crayfish

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Deceitful Crayfish	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Deceitful Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Estonia, Germany, Norway, Sweden, and Ukraine.

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.

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 5 countries:

🇪🇪 Estonia 🇩🇪 Germany 🇳🇴 Norway 🇸🇪 Sweden 🇺🇦 Ukraine