Arrow-Grass vs Desmarest’s Spiny Pocket Mouse

Triglochin maritima compared with Heteromys desmarestianus

Key Differences

• Arrow-Grass is Near Threatened while Desmarest’s Spiny Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Arrow-Grass	Desmarest’s Spiny Pocket Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Alismatales (Alismatales)	Rodentia (Rodents)
Family	Juncaginaceae	Heteromyidae
Genus	Triglochin	Heteromys
Species	Triglochin maritima	Heteromys desmarestianus

Conservation Status

Arrow-Grass

NT — Near Threatened

Desmarest’s Spiny Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Arrow-Grass	Desmarest’s Spiny Pocket Mouse
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.

Desmarest’s Spiny Pocket Mouse

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.