Japanese Weasel vs Streamside Swordfern

Mustela itatsi compared with Nephrolepis rivularis

Key Differences

• Japanese Weasel is Near Threatened while Streamside Swordfern is Not Evaluated.

Taxonomic Classification

Rank	Japanese Weasel	Streamside Swordfern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Carnivora (Carnivorans)	Polypodiales (Polypodiales)
Family	Mustelidae (Weasels & Otters)	Nephrolepidaceae
Genus	Mustela	Nephrolepis
Species	Mustela itatsi	Nephrolepis rivularis

Conservation Status

Japanese Weasel

NT — Near Threatened

Streamside Swordfern

NE — Not Evaluated

Physical Characteristics

Attribute	Japanese Weasel	Streamside Swordfern
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.

Streamside Swordfern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Brazil, Colombia, and Cuba.