Arrow-Grass vs Black-shouldered Opossum

Triglochin maritima compared with Caluromysiops irrupta

Key Differences

• Arrow-Grass is Near Threatened while Black-shouldered Opossum is Least Concern.

Taxonomic Classification

Rank	Arrow-Grass	Black-shouldered 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	Caluromysiops
Species	Triglochin maritima	Caluromysiops irrupta

Conservation Status

Arrow-Grass

NT — Near Threatened

Black-shouldered Opossum

LC — Least Concern

Physical Characteristics

Attribute	Arrow-Grass	Black-shouldered 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.

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.

Black-shouldered Opossum

The Black-shouldered Opossum (Caluromysiops irrupta) is a species in the genus Caluromysiops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.