Aka ei vs Dwarf black stingray

Hemitrygon akajei compared with Hemitrygon parvonigra

Key Differences

• Aka ei is Near Threatened while Dwarf black stingray is Data Deficient.

Taxonomic Classification

Rank	Aka ei	Dwarf black 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 akajei	Hemitrygon parvonigra

Evolutionary Relationship

Aka ei and Dwarf black stingray share a common ancestor at the Genus level: Hemitrygon.

Conservation Status

Aka ei

NT — Near Threatened

Dwarf black stingray

DD — Data Deficient

Physical Characteristics

Attribute	Aka ei	Dwarf black stingray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aka ei

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Dwarf black stingray

Aka ei

The Brown Stingray (Hemitrygon akajei) is a species in the genus Hemitrygon. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.