Large-Neck Clam vs Malayan porcupine

Mya arenaria compared with Hystrix brachyura

Key Differences

• Large-Neck Clam is Vulnerable while Malayan porcupine is Least Concern.

Taxonomic Classification

Rank	Large-Neck Clam	Malayan porcupine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Myida (Myida)	Rodentia (Rodents)
Family	Myidae	Hystricidae
Genus	Mya	Hystrix
Species	Mya arenaria	Hystrix brachyura

Evolutionary Relationship

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

Conservation Status

Large-Neck Clam

VU — Vulnerable

Malayan porcupine

LC — Least Concern

Physical Characteristics

Attribute	Large-Neck Clam	Malayan porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Malayan porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom.

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 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom