fern-grass vs Japanese Weasel

Catapodium rigidum compared with Mustela itatsi

Key Differences

• fern-grass is Endangered while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	fern-grass	Japanese Weasel
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Poales (Grasses)	Carnivora (Carnivorans)
Family	Poaceae (Grass Family)	Mustelidae (Weasels & Otters)
Genus	Catapodium	Mustela
Species	Catapodium rigidum	Mustela itatsi

Conservation Status

fern-grass

EN — Endangered

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	fern-grass	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

fern-grass

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 9 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (10 countries), North America (Mexico), Oceania and the Pacific (Australia), and South America (Argentina, Brazil, Chile). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Shared Countries

Both species can be found in 1 countries:

🇯🇵 Japan