Dwarf round ray vs Kemp's spiny mouse

Urotrygon nana compared with Acomys kempi

Key Differences

• Dwarf round ray is Near Threatened while Kemp's spiny mouse is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Kemp's spiny mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Muridae (Mice & Rats)
Genus	Urotrygon	Acomys
Species	Urotrygon nana	Acomys kempi

Evolutionary Relationship

Dwarf round ray and Kemp's spiny mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Kemp's spiny mouse

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Kemp's spiny mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Kemp's spiny mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.