Dwarf round ray vs Olive-colored Akodont

Urotrygon nana compared with Abrothrix olivaceus

Key Differences

• Dwarf round ray is Near Threatened while Olive-colored Akodont is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Olive-colored Akodont
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	Abrothrix
Species	Urotrygon nana	Abrothrix olivaceus

Evolutionary Relationship

Dwarf round ray and Olive-colored Akodont share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Olive-colored Akodont

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Olive-colored Akodont
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Olive-colored Akodont

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.