Dwarf round ray vs Lesser Short-tailed Rat

Urotrygon nana compared with Brachyuromys betsileoensis

Key Differences

• Dwarf round ray is Near Threatened while Lesser Short-tailed Rat is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Lesser Short-tailed Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Nesomyidae
Genus	Urotrygon	Brachyuromys
Species	Urotrygon nana	Brachyuromys betsileoensis

Evolutionary Relationship

Dwarf round ray and Lesser Short-tailed Rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Lesser Short-tailed Rat

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Lesser Short-tailed Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Lesser Short-tailed Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.