Brown eagle-ray vs Amerika-aka-ei

Aetomylaeus milvus compared with Hypanus americanus

Key Differences

• Brown eagle-ray is Endangered while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Brown eagle-ray	Amerika-aka-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	Myliobatidae	Dasyatidae
Genus	Aetomylaeus	Hypanus
Species	Aetomylaeus milvus	Hypanus americanus

Evolutionary Relationship

Brown eagle-ray and Amerika-aka-ei share a common ancestor at the Order level: Myliobatiformes. (トビエイ目)

Conservation Status

Brown eagle-ray

EN — Endangered

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Brown eagle-ray	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

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

Amerika-aka-ei

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

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

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.