Amur Hedgehog vs Medusa Brittlestem

Erinaceus amurensis compared with Psathyrella caput-medusae

Key Differences

• Amur Hedgehog is Least Concern while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Amur Hedgehog	Medusa Brittlestem
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Erinaceomorpha (Erinaceomorpha)	Agaricales (Gilled Mushrooms)
Family	Erinaceidae	Psathyrellaceae
Genus	Erinaceus	Psathyrella
Species	Erinaceus amurensis	Psathyrella caput-medusae

Conservation Status

Amur Hedgehog

LC — Least Concern

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Amur Hedgehog	Medusa Brittlestem
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.

Medusa Brittlestem

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.