Arrow-Grass vs Buff-bellied Fat-tailed Mouse Opossum

Triglochin maritima compared with Thylamys venustus

Key Differences

• Arrow-Grass is Near Threatened while Buff-bellied Fat-tailed Mouse Opossum is Data Deficient.

Taxonomic Classification

Rank	Arrow-Grass	Buff-bellied 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	Juncaginaceae	Didelphidae
Genus	Triglochin	Thylamys
Species	Triglochin maritima	Thylamys venustus

Conservation Status

Arrow-Grass

NT — Near Threatened

Buff-bellied Fat-tailed Mouse Opossum

DD — Data Deficient

Physical Characteristics

Attribute	Arrow-Grass	Buff-bellied Fat-tailed Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arrow-Grass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found across Europe (7 countries) and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Buff-bellied Fat-tailed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arrow-Grass

The Arrow-Grass, Triglochin maritima, is a species. It is currently assessed as near threatened on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Buff-bellied Fat-tailed Mouse Opossum

The Buff-Bellied Fat-Tailed Mouse Opossum (Thylamys venustus) is a species in the genus Thylamys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.