Japanese Weasel vs Smooth Stonewort

Mustela itatsi compared with Nitella flexilis

Key Differences

• Japanese Weasel is Near Threatened while Smooth Stonewort is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Smooth Stonewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Charophyta (Charophyta)
Class	Mammalia (Mammals)	Charophyceae (Charophyceae)
Order	Carnivora (Carnivorans)	Charales (Charales)
Family	Mustelidae (Weasels & Otters)	Characeae
Genus	Mustela	Nitella
Species	Mustela itatsi	Nitella flexilis

Conservation Status

Japanese Weasel

NT — Near Threatened

Smooth Stonewort

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Smooth Stonewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Smooth Stonewort

Habitat

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

Range

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