brackish river prawn vs small tortoiseshell

Macrobrachium macrobrachion compared with Aglais urticae

Key Differences

• brackish river prawn is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	brackish river prawn	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	Palaemonidae	Nymphalidae (Brush-footed Butterflies)
Genus	Macrobrachium	Aglais
Species	Macrobrachium macrobrachion	Aglais urticae

Evolutionary Relationship

brackish river prawn and small tortoiseshell share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

brackish river prawn

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	brackish river prawn	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brackish river prawn

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

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.

brackish river prawn

The Brackish river prawn (Macrobrachium macrobrachion) is a species in the genus Macrobrachium. It is currently classified as Least Concern on the IUCN Red List. 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.