Japanese Weasel vs

Mustela itatsi compared with Nostoc sphaericum

Key Differences

• Japanese Weasel is Near Threatened while is Not Evaluated.

Taxonomic Classification

Rank	Japanese Weasel
Kingdom	Animalia (สัตว์)	Bacteria (Bacteria)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Cyanobacteria (สาหร่ายสีเขียวแกมน้ำเงิน)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Cyanobacteriia
Order	Carnivora (สัตว์กินเนื้อ)	Cyanobacteriales
Family	Mustelidae (Weasels & Otters)	Nostocaceae
Genus	Mustela	Nostoc
Species	Mustela itatsi	Nostoc sphaericum

Conservation Status

Japanese Weasel

NT — Near Threatened

NE — Not Evaluated

Physical Characteristics

Attribute	Japanese Weasel
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Nostoc sphaericum is a colonial, nitrogen-fixing cyanobacterium in the family Nostocaceae, forming gelatinous spherical or irregular colonies visible to the naked eye. It inhabits moist soils, rocks, and freshwater environments, often forming conspicuous blobs after rainfall.