Four-toed Hedgehog vs undulate ray

Atelerix albiventris compared with Raja undulata

Key Differences

• Four-toed Hedgehog is Least Concern while undulate ray is Endangered.

Taxonomic Classification

Rank	Four-toed Hedgehog	undulate ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Erinaceomorpha (Erinaceomorpha)	Rajiformes (Rajiformes)
Family	Erinaceidae	Rajidae
Genus	Atelerix	Raja
Species	Atelerix albiventris	Raja undulata

Evolutionary Relationship

Four-toed Hedgehog and undulate ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Four-toed Hedgehog

LC — Least Concern

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Four-toed Hedgehog	undulate ray
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.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.