Arraia vs Narrow-headed Vole

Hypanus americanus compared with Microtus gregalis

Key Differences

• Arraia is Near Threatened while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Arraia	Narrow-headed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Elasmobranchii	Mammalia (mamíferos)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Roedores)
Family	Dasyatidae	Cricetidae
Genus	Hypanus	Microtus
Species	Hypanus americanus	Microtus gregalis

Evolutionary Relationship

Arraia and Narrow-headed Vole share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Arraia

NT — Near Threatened

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Arraia	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arraia

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.