fern-grass vs Pacific Spiny-rat

Catapodium rigidum compared with Proechimys decumanus

Key Differences

• fern-grass is Endangered while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	fern-grass	Pacific Spiny-rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Poales (Grasses)	Rodentia (Rodents)
Family	Poaceae (Grass Family)	Echimyidae
Genus	Catapodium	Proechimys
Species	Catapodium rigidum	Proechimys decumanus

Conservation Status

fern-grass

EN — Endangered

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	fern-grass	Pacific Spiny-rat
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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.