Dwarf round ray vs Raia

Urotrygon nana compared with Urotrygon microphthalmum

Key Differences

• Dwarf round ray is Near Threatened while Raia is Critically Endangered.

Taxonomic Classification

Rank	Dwarf round ray	Raia
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Elasmobranchii	Elasmobranchii
Order same	Myliobatiformes (Myliobatiformes)	Myliobatiformes (Myliobatiformes)
Family same	Urotrygonidae	Urotrygonidae
Genus same	Urotrygon	Urotrygon
Species	Urotrygon nana	Urotrygon microphthalmum

Evolutionary Relationship

Dwarf round ray and Raia share a common ancestor at the Genus level: Urotrygon.

Conservation Status

Dwarf round ray

NT — Near Threatened

Raia

CR — Critically Endangered

Physical Characteristics

Attribute	Dwarf round ray	Raia
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—