Fake round ray vs Oguro-usu-ei

Urotrygon simulatrix compared with Urotrygon microphthalmum

Key Differences

• Fake round ray is Vulnerable while Oguro-usu-ei is Critically Endangered.

Taxonomic Classification

Rank	Fake round ray	Oguro-usu-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Elasmobranchii	Elasmobranchii
Order same	Myliobatiformes (トビエイ目)	Myliobatiformes (トビエイ目)
Family same	Urotrygonidae	Urotrygonidae
Genus same	Urotrygon	Urotrygon
Species	Urotrygon simulatrix	Urotrygon microphthalmum

Evolutionary Relationship

Fake round ray and Oguro-usu-ei share a common ancestor at the Genus level: Urotrygon.

Conservation Status

Fake round ray

VU — Vulnerable

Oguro-usu-ei

CR — Critically Endangered

Physical Characteristics

Attribute	Fake round ray	Oguro-usu-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—