Dwarf round ray vs One-striped opossum

Urotrygon nana compared with Monodelphis unistriata

Key Differences

• Dwarf round ray is Near Threatened while One-striped opossum is Critically Endangered.

Taxonomic Classification

Rank	Dwarf round ray	One-striped 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	Monodelphis
Species	Urotrygon nana	Monodelphis unistriata

Evolutionary Relationship

Dwarf round ray and One-striped opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

One-striped opossum

CR — Critically Endangered

Physical Characteristics

Attribute	Dwarf round ray	One-striped opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

One-striped opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.