Backwater butterfly ray vs Tsubakuro ei

Gymnura natalensis compared with Gymnura japonica

Key Differences

• Backwater butterfly ray is Least Concern while Tsubakuro ei is Vulnerable.

Taxonomic Classification

Rank	Backwater butterfly ray	Tsubakuro 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	Gymnuridae	Gymnuridae
Genus same	Gymnura	Gymnura
Species	Gymnura natalensis	Gymnura japonica

Evolutionary Relationship

Backwater butterfly ray and Tsubakuro ei share a common ancestor at the Genus level: Gymnura.

Conservation Status

Backwater butterfly ray

LC — Least Concern

Tsubakuro ei

VU — Vulnerable

Physical Characteristics

Attribute	Backwater butterfly ray	Tsubakuro ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Backwater butterfly ray

Tsubakuro ei

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Backwater butterfly ray

The Backwater butterfly ray (Gymnura natalensis) is a species in the genus Gymnura. It is currently classified as Least Concern on the IUCN Red List.