Blind Small-eared Shrew vs Large-Neck Clam

Cryptotis niausa compared with Mya arenaria

Key Differences

• Blind Small-eared Shrew is Data Deficient while Large-Neck Clam is Vulnerable.

Taxonomic Classification

Rank	Blind Small-eared Shrew	Large-Neck Clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Soricomorpha (Soricomorpha)	Myida (Myida)
Family	Soricidae	Myidae
Genus	Cryptotis	Mya
Species	Cryptotis niausa	Mya arenaria

Evolutionary Relationship

Blind Small-eared Shrew and Large-Neck Clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blind Small-eared Shrew

DD — Data Deficient

Large-Neck Clam

VU — Vulnerable

Physical Characteristics

Attribute	Blind Small-eared Shrew	Large-Neck Clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blind Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

Blind Small-eared Shrew

The Blind Small-eared Shrew (Cryptotis niausa) is a species in the genus Cryptotis. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.