gammarid shrimp vs small tortoiseshell

Gammarus salinus compared with Aglais urticae

Key Differences

• gammarid shrimp is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	gammarid shrimp	small tortoiseshell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Malacostraca (Crustaceans)	Insecta (Insects)
Order	Amphipoda (Amphipoda)	Lepidoptera (Butterflies & Moths)
Family	Gammaridae	Nymphalidae (Brush-footed Butterflies)
Genus	Gammarus	Aglais
Species	Gammarus salinus	Aglais urticae

Evolutionary Relationship

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

Conservation Status

gammarid shrimp

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	gammarid shrimp	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

gammarid shrimp

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Denmark, Norway, and Sweden.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden