Arctic Blue vs Large-Neck Clam

Agriades aquilo compared with Mya arenaria

Key Differences

• Arctic Blue is Near Threatened while Large-Neck Clam is Vulnerable.

Taxonomic Classification

Rank	Arctic Blue	Large-Neck Clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Bivalvia (Bivalvia)
Order	Lepidoptera (Butterflies & Moths)	Myida (Myida)
Family	Lycaenidae	Myidae
Genus	Agriades	Mya
Species	Agriades aquilo	Mya arenaria

Evolutionary Relationship

Arctic Blue and Large-Neck Clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Blue

NT — Near Threatened

Large-Neck Clam

VU — Vulnerable

Physical Characteristics

Attribute	Arctic Blue	Large-Neck Clam
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.

Large-Neck Clam

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Georgia, Turkey), Europe (22 countries), and North America (Canada, United States). Currently classified as Vulnerable 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.

Large-Neck Clam

Large-Neck Clam (Mya arenaria) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden