Dwarf round ray vs Fat Sand Rat

Urotrygon nana compared with Psammomys obesus

Key Differences

• Dwarf round ray is Near Threatened while Fat Sand Rat is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Fat Sand Rat
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	Psammomys
Species	Urotrygon nana	Psammomys obesus

Evolutionary Relationship

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

Conservation Status

Dwarf round ray

NT — Near Threatened

Fat Sand Rat

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Fat Sand Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.