Dwarf round ray vs Gray Mouse Opossum

Urotrygon nana compared with Tlacuatzin canescens

Key Differences

• Dwarf round ray is Near Threatened while Gray Mouse Opossum is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Gray Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Didelphimorphia (Didelphimorphia)
Family	Urotrygonidae	Didelphidae
Genus	Urotrygon	Tlacuatzin
Species	Urotrygon nana	Tlacuatzin canescens

Evolutionary Relationship

Dwarf round ray and Gray Mouse Opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Gray Mouse Opossum

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Gray Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Gray Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.