Dwarf round ray vs Northern Gracile Opossum

Urotrygon nana compared with Gracilinanus marica

Key Differences

• Dwarf round ray is Near Threatened while Northern Gracile Opossum is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Northern Gracile 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	Gracilinanus
Species	Urotrygon nana	Gracilinanus marica

Evolutionary Relationship

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

Conservation Status

Dwarf round ray

NT — Near Threatened

Northern Gracile Opossum

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Northern Gracile Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Northern Gracile Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.