Four-toed Hedgehog vs Sharp-tooth smooth hound

Atelerix albiventris compared with Mustelus dorsalis

Key Differences

• Four-toed Hedgehog is Least Concern while Sharp-tooth smooth hound is Vulnerable.

Taxonomic Classification

Rank	Four-toed Hedgehog	Sharp-tooth smooth hound
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Erinaceomorpha (Erinaceomorpha)	Carcharhiniformes (Ground Sharks)
Family	Erinaceidae	Triakidae
Genus	Atelerix	Mustelus
Species	Atelerix albiventris	Mustelus dorsalis

Evolutionary Relationship

Four-toed Hedgehog and Sharp-tooth smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Four-toed Hedgehog

LC — Least Concern

Sharp-tooth smooth hound

VU — Vulnerable

Physical Characteristics

Attribute	Four-toed Hedgehog	Sharp-tooth smooth hound
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.

Sharp-tooth smooth hound

Habitat

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