Arctic Blue vs Taiwan spurdog

Agriades aquilo compared with Squalus formosus

Key Differences

• Arctic Blue is Near Threatened while Taiwan spurdog is Endangered.

Taxonomic Classification

Rank	Arctic Blue	Taiwan 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 formosus

Evolutionary Relationship

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

Conservation Status

Arctic Blue

NT — Near Threatened

Taiwan spurdog

EN — Endangered

Physical Characteristics

Attribute	Arctic Blue	Taiwan 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.

Taiwan spurdog

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.