False Water Rat vs Large-Neck Clam

Xeromys myoides compared with Mya arenaria

Taxonomic Classification

Rank	False Water Rat	Large-Neck Clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Myida (Myida)
Family	Muridae (Mice & Rats)	Myidae
Genus	Xeromys	Mya
Species	Xeromys myoides	Mya arenaria

Evolutionary Relationship

False Water Rat and Large-Neck Clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

False Water Rat

VU — Vulnerable

Large-Neck Clam

VU — Vulnerable

Physical Characteristics

Attribute	False Water Rat	Large-Neck Clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

False Water Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

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.