Dwarf round ray vs Greater Long-tailed Hamster

Urotrygon nana compared with Tscherskia triton

Key Differences

• Dwarf round ray is Near Threatened while Greater Long-tailed Hamster is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Greater Long-tailed Hamster
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Cricetidae
Genus	Urotrygon	Tscherskia
Species	Urotrygon nana	Tscherskia triton

Evolutionary Relationship

Dwarf round ray and Greater Long-tailed Hamster share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Greater Long-tailed Hamster

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Greater Long-tailed Hamster
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Greater Long-tailed Hamster

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.