Black Kauri vs Large-Neck Clam

Agathis atropurpurea compared with Mya arenaria

Key Differences

• Black Kauri is Near Threatened while Large-Neck Clam is Vulnerable.

Taxonomic Classification

Rank	Black Kauri	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	Hymenoptera (ハチ目)	Myida (Myida)
Family	Braconidae	Myidae
Genus	Agathis	Mya
Species	Agathis atropurpurea	Mya arenaria

Evolutionary Relationship

Black Kauri and Large-Neck Clam share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Black Kauri

NT — Near Threatened

Large-Neck Clam

VU — Vulnerable

Physical Characteristics

Attribute	Black Kauri	Large-Neck Clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Kauri

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.

Black Kauri

The Black Kauri (Agathis atropurpurea) is a species in the genus Agathis. It is currently classified as Near Threatened 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。