Bay-shark vs Four-toed Hedgehog

Carcharhinus obscurus compared with Atelerix albiventris

Key Differences

• Bay-shark is Endangered while Four-toed Hedgehog is Least Concern.

Taxonomic Classification

Rank	Bay-shark	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	Carcharhinidae	Erinaceidae
Genus	Carcharhinus	Atelerix
Species	Carcharhinus obscurus	Atelerix albiventris

Evolutionary Relationship

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

Conservation Status

Bay-shark

EN — Endangered

Four-toed Hedgehog

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Bay-shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Chile, Taiwan, and Venezuela. Currently classified as Endangered 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.

Bay-shark

The Bay-shark (Carcharhinus obscurus) is a species in the genus Carcharhinus. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.