Arctic Blue vs Blacktail spurdog

Agriades aquilo compared with Squalus melanurus

Key Differences

• Arctic Blue is Near Threatened while Blacktail spurdog is Data Deficient.

Taxonomic Classification

Rank	Arctic Blue	Blacktail spurdog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Elasmobranchii
Order	Lepidoptera (Butterflies & Moths)	Squaliformes (Squaliformes)
Family	Lycaenidae	Squalidae
Genus	Agriades	Squalus
Species	Agriades aquilo	Squalus melanurus

Evolutionary Relationship

Arctic Blue and Blacktail spurdog share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Blue

NT — Near Threatened

Blacktail spurdog

DD — Data Deficient

Physical Characteristics

Attribute	Arctic Blue	Blacktail spurdog
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.

Blacktail spurdog

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.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.