Chalky Macoma vs Japanese Weasel

Macoma calcarea compared with Mustela itatsi

Key Differences

• Chalky Macoma is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Chalky Macoma	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Cardiida (Cardiida)	Carnivora (Carnivorans)
Family	Tellinidae	Mustelidae (Weasels & Otters)
Genus	Macoma	Mustela
Species	Macoma calcarea	Mustela itatsi

Evolutionary Relationship

Chalky Macoma and Japanese Weasel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Chalky Macoma

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Chalky Macoma	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalky Macoma

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Chalky Macoma

The Chalky Macoma (Macoma calcarea) is a species in the genus Macoma. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.