Pacific Spiny-rat vs pygmy arrowhead

Proechimys decumanus compared with Sagittaria pygmaea

Key Differences

• Pacific Spiny-rat is Near Threatened while pygmy arrowhead is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	pygmy arrowhead
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Rodentia (Rodents)	Alismatales (Alismatales)
Family	Echimyidae	Alismataceae
Genus	Proechimys	Sagittaria
Species	Proechimys decumanus	Sagittaria pygmaea

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

pygmy arrowhead

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	pygmy arrowhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

pygmy arrowhead

Habitat

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

Range

Found in Taiwan.