Broad-bordered Acraea vs Large-Neck Clam

Acraea anemosa compared with Mya arenaria

Key Differences

• Broad-bordered Acraea is Least Concern while Large-Neck Clam is Vulnerable.

Taxonomic Classification

Rank	Broad-bordered Acraea	Large-Neck Clam
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Mollusca (軟体動物)
Class	Insecta (昆虫)	Bivalvia (二枚貝)
Order	Lepidoptera (チョウ目)	Myida (Myida)
Family	Nymphalidae (Brush-footed Butterflies)	Myidae
Genus	Acraea	Mya
Species	Acraea anemosa	Mya arenaria

Evolutionary Relationship

Broad-bordered Acraea and Large-Neck Clam share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Broad-bordered Acraea

LC — Least Concern

Large-Neck Clam

VU — Vulnerable

Physical Characteristics

Attribute	Broad-bordered Acraea	Large-Neck Clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broad-bordered Acraea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.

Broad-bordered Acraea

The Broad-bordered Acraea (Acraea anemosa) is a species in the genus Acraea. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Large-Neck Clam

ミゾハマグリ（Mya arenaria）はIUCNレッドリストで危急（VU）に分類されている。野生での絶滅リスクが高く、個体数が減少し、生息地への圧力が増加している。