Gray-bellied Rice Rat vs Arraia

Nephelomys moerex compared with Hypanus americanus

Key Differences

• Gray-bellied Rice Rat is Extinct while Arraia is Near Threatened.

Taxonomic Classification

Rank	Gray-bellied Rice Rat	Arraia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Elasmobranchii
Order	Rodentia (Roedores)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Dasyatidae
Genus	Nephelomys	Hypanus
Species	Nephelomys moerex	Hypanus americanus

Evolutionary Relationship

Gray-bellied Rice Rat and Arraia share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Gray-bellied Rice Rat

EX — Extinct

Arraia

NT — Near Threatened

Physical Characteristics

Attribute	Gray-bellied Rice Rat	Arraia
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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.