Onaga-ei vs Brown stingray

Hemitrygon bennettii compared with Hemitrygon fluviorum

Key Differences

• Onaga-ei is Vulnerable while Brown stingray is Near Threatened.

Taxonomic Classification

Rank	Onaga-ei	Brown stingray
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	Dasyatidae	Dasyatidae
Genus same	Hemitrygon	Hemitrygon
Species	Hemitrygon bennettii	Hemitrygon fluviorum

Evolutionary Relationship

Onaga-ei and Brown stingray share a common ancestor at the Genus level: Hemitrygon.

Conservation Status

Onaga-ei

VU — Vulnerable

Brown stingray

NT — Near Threatened

Physical Characteristics

Attribute	Onaga-ei	Brown stingray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Onaga-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.

Brown stingray

Onaga-ei

The Bennett's cowtail (Hemitrygon bennettii) is a species in the genus Hemitrygon. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

Brown stingray

The Brown Stingray (Hemitrygon fluviorum) is a species in the genus Hemitrygon. It is currently classified as Near Threatened on the IUCN Red List. As a member of the genus Hemitrygon, it shares characteristics with related species within this taxonomic group.