Four-toed Hedgehog vs silky shark

Atelerix albiventris compared with Carcharhinus falciformis

Key Differences

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

Taxonomic Classification

Rank	Four-toed Hedgehog	silky shark
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	Carcharhinidae
Genus	Atelerix	Carcharhinus
Species	Atelerix albiventris	Carcharhinus falciformis

Evolutionary Relationship

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

Conservation Status

Four-toed Hedgehog

LC — Least Concern

silky shark

VU — Vulnerable

Physical Characteristics

Attribute	Four-toed Hedgehog	silky shark
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.

silky shark

Habitat

Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Algeria, Taiwan, Tunisia, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.