Dwarf round ray vs Great Gerbil

Urotrygon nana compared with Rhombomys opimus

Key Differences

• Dwarf round ray is Near Threatened while Great Gerbil is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Great Gerbil
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	Rhombomys
Species	Urotrygon nana	Rhombomys opimus

Evolutionary Relationship

Dwarf round ray and Great Gerbil share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Great Gerbil

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Great Gerbil
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Great Gerbil

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.