Four-toed Hedgehog vs Medusa Brittlestem

Atelerix albiventris compared with Psathyrella caput-medusae

Key Differences

• Four-toed Hedgehog is Least Concern while Medusa Brittlestem is Endangered.

Taxonomic Classification

Rank	Four-toed 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	Atelerix	Psathyrella
Species	Atelerix albiventris	Psathyrella caput-medusae

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Medusa Brittlestem

EN — Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	Medusa Brittlestem
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.

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.