Angular rough shark vs Four-toed Hedgehog

Oxynotus paradoxus compared with Atelerix albiventris

Key Differences

• Angular rough shark is Vulnerable while Four-toed Hedgehog is Least Concern.

Taxonomic Classification

Rank	Angular rough shark	Four-toed Hedgehog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Erinaceomorpha (Erinaceomorpha)
Family	Oxynotidae	Erinaceidae
Genus	Oxynotus	Atelerix
Species	Oxynotus paradoxus	Atelerix albiventris

Evolutionary Relationship

Angular rough shark and Four-toed Hedgehog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Angular rough shark

VU — Vulnerable

Four-toed Hedgehog

LC — Least Concern

Physical Characteristics

Attribute	Angular rough shark	Four-toed Hedgehog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Angular rough shark

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.

Angular rough shark

The Angular rough shark (Oxynotus paradoxus) is a species in the genus Oxynotus. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.