Hachiware vs Amerika-aka-ei

Alopias superciliosus compared with Hypanus americanus

Key Differences

• Hachiware is Vulnerable while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Hachiware	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Chondrichthyes (軟骨魚綱)	Elasmobranchii
Order	Lamniformes (ネズミザメ目)	Myliobatiformes (トビエイ目)
Family	Alopiidae	Dasyatidae
Genus	Alopias	Hypanus
Species	Alopias superciliosus	Hypanus americanus

Evolutionary Relationship

Hachiware and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Hachiware

VU — Vulnerable

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Hachiware	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hachiware

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Distributed across Chile, Colombia, Portugal, Taiwan, and Venezuela. Currently classified as Vulnerable 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.

Hachiware

The Big eye thresher shark (Alopias superciliosus) is a species in the genus Alopias. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela