Dwarf round ray vs Ecuadorean Rice Rat

Urotrygon nana compared with Nephelomys auriventer

Key Differences

• Dwarf round ray is Near Threatened while Ecuadorean Rice Rat is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Ecuadorean Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Cricetidae
Genus	Urotrygon	Nephelomys
Species	Urotrygon nana	Nephelomys auriventer

Evolutionary Relationship

Dwarf round ray and Ecuadorean Rice Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Ecuadorean Rice Rat

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Ecuadorean Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Ecuadorean Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.