Dwarf round ray vs Large Japanese Field Mouse

Urotrygon nana compared with Apodemus speciosus

Key Differences

• Dwarf round ray is Near Threatened while Large Japanese Field Mouse is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Large Japanese Field 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	Apodemus
Species	Urotrygon nana	Apodemus speciosus

Evolutionary Relationship

Dwarf round ray and Large Japanese Field Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Large Japanese Field Mouse

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Large Japanese Field Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Large Japanese Field Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.