Australian humpback dolphin vs Amerika-aka-ei

Sousa sahulensis compared with Hypanus americanus

Key Differences

• Australian humpback dolphin is Vulnerable while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Australian humpback dolphin	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (トビエイ目)
Family	Delphinidae (Oceanic Dolphins)	Dasyatidae
Genus	Sousa	Hypanus
Species	Sousa sahulensis	Hypanus americanus

Evolutionary Relationship

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

Conservation Status

Australian humpback dolphin

VU — Vulnerable

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Australian humpback dolphin	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Australian humpback dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Australian humpback dolphin

The Australian humpback dolphin (Sousa sahulensis) is a species in the genus Sousa. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.