Amerika-aka-ei vs Northern Right Whale Dolphin

Hypanus americanus compared with Lissodelphis borealis

Key Differences

• Amerika-aka-ei is Near Threatened while Northern Right Whale Dolphin is Least Concern.

Taxonomic Classification

Rank	Amerika-aka-ei	Northern Right Whale Dolphin
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Mammalia (哺乳類)
Order	Myliobatiformes (トビエイ目)	Cetacea (Whales & Dolphins)
Family	Dasyatidae	Delphinidae (Oceanic Dolphins)
Genus	Hypanus	Lissodelphis
Species	Hypanus americanus	Lissodelphis borealis

Evolutionary Relationship

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

Conservation Status

Amerika-aka-ei

NT — Near Threatened

Northern Right Whale Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Amerika-aka-ei	Northern Right Whale Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Northern Right Whale Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.