Dwarf round ray vs Graceful Laucha

Urotrygon nana compared with Calomys lepidus

Key Differences

• Dwarf round ray is Near Threatened while Graceful Laucha is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Graceful Laucha
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	Calomys
Species	Urotrygon nana	Calomys lepidus

Evolutionary Relationship

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

Conservation Status

Dwarf round ray

NT — Near Threatened

Graceful Laucha

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Graceful Laucha
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Graceful Laucha

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.