Japanese Weasel vs

Mustela itatsi compared with Pinnularia mesolepta

Key Differences

• Japanese Weasel is Near Threatened while is Not Evaluated.

Taxonomic Classification

Rank	Japanese Weasel
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Carnivora (Carnivorans)	Naviculales (Naviculales)
Family	Mustelidae (Weasels & Otters)	Pinnulariaceae
Genus	Mustela	Pinnularia
Species	Mustela itatsi	Pinnularia mesolepta

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 Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Brazil, Norway, Portugal, Sweden, and Taiwan.

Pinnularia mesolepta is a freshwater diatom with a boat-shaped, symmetrical siliceous frustule and distinctive raphe canal along the cell axis. It inhabits benthic and epiphytic habitats in oligotrophic to mesotrophic freshwater lakes, streams, and bogs. This photosynthetic diatom forms part of the microbial biofilm community in freshwater habitats.