Arctic Blue vs Big Water Crayfish

Agriades aquilo compared with Cambarus robustus

Key Differences

• Arctic Blue is Near Threatened while Big Water Crayfish is Least Concern.

Taxonomic Classification

Rank	Arctic Blue	Big Water 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	Lycaenidae	Cambaridae
Genus	Agriades	Cambarus
Species	Agriades aquilo	Cambarus robustus

Evolutionary Relationship

Arctic Blue and Big Water Crayfish share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

Conservation Status

Arctic Blue

NT — Near Threatened

Big Water Crayfish

LC — Least Concern

Physical Characteristics

Attribute	Arctic Blue	Big Water Crayfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Finland, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Big Water Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found in United States.

Arctic Blue

The Arctic Blue (Agriades aquilo) is a species in the genus Agriades. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Big Water Crayfish

The Big Water Crayfish (Cambarus robustus) is a species in the genus Cambarus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.