Amur Hedgehog vs Amerika-aka-ei

Erinaceus amurensis compared with Hypanus americanus

Key Differences

• Amur Hedgehog is Least Concern while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Amur Hedgehog	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	Erinaceomorpha (Erinaceomorpha)	Myliobatiformes (トビエイ目)
Family	Erinaceidae	Dasyatidae
Genus	Erinaceus	Hypanus
Species	Erinaceus amurensis	Hypanus americanus

Evolutionary Relationship

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

Conservation Status

Amur Hedgehog

LC — Least Concern

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Amur Hedgehog	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amur Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan.

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.

Amur Hedgehog

The Amur Hedgehog (Erinaceus amurensis) is a species in the genus Erinaceus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.