Bare-bellied Hedgehog vs Bay-shark

Paraechinus nudiventris compared with Carcharhinus obscurus

Key Differences

• Bare-bellied Hedgehog is Least Concern while Bay-shark is Endangered.

Taxonomic Classification

Rank	Bare-bellied Hedgehog	Bay-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	Paraechinus	Carcharhinus
Species	Paraechinus nudiventris	Carcharhinus obscurus

Evolutionary Relationship

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

Conservation Status

Bare-bellied Hedgehog

LC — Least Concern

Bay-shark

EN — Endangered

Physical Characteristics

Attribute	Bare-bellied Hedgehog	Bay-shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bare-bellied Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Bare-bellied Hedgehog

The Bare-bellied Hedgehog (Paraechinus nudiventris) is a species in the genus Paraechinus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.