Arrowleaf elephant's ear vs Common Fat-tailed Mouse Opossum

Xanthosoma sagittifolium compared with Thylamys pusillus

Key Differences

• Arrowleaf elephant's ear is Not Evaluated while Common Fat-tailed Mouse Opossum is Least Concern.

Taxonomic Classification

Rank	Arrowleaf elephant's ear	Common Fat-tailed Mouse Opossum
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Alismatales (Alismatales)	Didelphimorphia (Didelphimorphia)
Family	Araceae	Didelphidae
Genus	Xanthosoma	Thylamys
Species	Xanthosoma sagittifolium	Thylamys pusillus

Conservation Status

Arrowleaf elephant's ear

NE — Not Evaluated

Common Fat-tailed Mouse Opossum

LC — Least Concern

Physical Characteristics

Attribute	Arrowleaf elephant's ear	Common Fat-tailed Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrowleaf elephant's ear

Habitat

Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands spanning the Indomalayan and Neotropic realms.

Range

Widely distributed across Africa (9 countries), Asia (4 countries), North America (9 countries), Oceania and the Pacific (7 countries), and South America (Colombia).

Common Fat-tailed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arrowleaf elephant's ear

The Arrowleaf elephant's ear, Xanthosoma sagittifolium, is a species. Inhabits tropical and subtropical moist broadleaf forests and mangrove forests and coastal wetlands spanning the Indomalayan and Neotropic realms.

Common Fat-tailed Mouse Opossum

The Common Fat-tailed Mouse Opossum (<em>Thylamys pusillus</em>) is a small marsupial belonging to the genus Thylamys within the family Didelphidae. Like other members of its genus, this species typically stores fat in its tail, which becomes swollen during periods of food abundance and is metabolised during leaner times, a physiological adaptation that provides energy reserves. <em>Thylamys pusillus</em> is generally found in diverse terrestrial and aquatic ecosystems, often in dry woodlands, scrublands, and grassland habitats of South America. The species is assessed as Least Concern on the IUCN Red List, indicating it is not currently considered at risk of extinction. Detailed geographic range data are not available in the current record, but members of this genus are typically distributed across parts of Argentina, Bolivia, Paraguay, and Uruguay. Biological traits including average lifespan, body dimensions, and specific dietary composition remain poorly documented in the scientific literature, though Thylamys species are generally considered omnivorous, often consuming insects, small vertebrates, and plant material.