Dwarf round ray vs Patagonian mara

Urotrygon nana compared with Dolichotis patagonum

Taxonomic Classification

Rank	Dwarf round ray	Patagonian mara
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Caviidae
Genus	Urotrygon	Dolichotis
Species	Urotrygon nana	Dolichotis patagonum

Evolutionary Relationship

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

Conservation Status

Dwarf round ray

NT — Near Threatened

Patagonian mara

NT — Near Threatened

Physical Characteristics

Attribute	Dwarf round ray	Patagonian mara
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Patagonian mara

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Belgium. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.