Atlantic Smooth Dogfish vs Four-toed Hedgehog

Mustelus canis compared with Atelerix albiventris

Key Differences

• Atlantic Smooth Dogfish is Near Threatened while Four-toed Hedgehog is Least Concern.

Taxonomic Classification

Rank	Atlantic Smooth Dogfish	Four-toed Hedgehog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Erinaceomorpha (Erinaceomorpha)
Family	Triakidae	Erinaceidae
Genus	Mustelus	Atelerix
Species	Mustelus canis	Atelerix albiventris

Evolutionary Relationship

Atlantic Smooth Dogfish and Four-toed Hedgehog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Smooth Dogfish

NT — Near Threatened

Four-toed Hedgehog

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Smooth Dogfish	Four-toed Hedgehog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Smooth Dogfish

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.

Atlantic Smooth Dogfish

The Atlantic Smooth Dogfish (Mustelus canis) is a species in the genus Mustelus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.