black-calabash vs Large-Neck Clam

Amphitecna latifolia compared with Mya arenaria

Key Differences

• black-calabash is Least Concern while Large-Neck Clam is Vulnerable.

Taxonomic Classification

Rank	black-calabash	Large-Neck Clam
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Mollusca (Mollusks)
Class	Magnoliopsida (Dicots)	Bivalvia (Bivalvia)
Order	Lamiales (Lamiales)	Myida (Myida)
Family	Bignoniaceae	Myidae
Genus	Amphitecna	Mya
Species	Amphitecna latifolia	Mya arenaria

Conservation Status

black-calabash

LC — Least Concern

Large-Neck Clam

VU — Vulnerable

Physical Characteristics

Attribute	black-calabash	Large-Neck Clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

black-calabash

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Colombia and Cuba.

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-calabash

The Black-calabash (Amphitecna latifolia) is a species in the genus Amphitecna. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.