Bigeye dogfish vs Four-toed Hedgehog

Squalus blainville compared with Atelerix albiventris

Key Differences

• Bigeye dogfish is Data Deficient while Four-toed Hedgehog is Least Concern.

Taxonomic Classification

Rank	Bigeye dogfish	Four-toed Hedgehog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Erinaceomorpha (Erinaceomorpha)
Family	Squalidae	Erinaceidae
Genus	Squalus	Atelerix
Species	Squalus blainville	Atelerix albiventris

Evolutionary Relationship

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

Conservation Status

Bigeye dogfish

DD — Data Deficient

Four-toed Hedgehog

LC — Least Concern

Physical Characteristics

Attribute	Bigeye dogfish	Four-toed Hedgehog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bigeye dogfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Chile.

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.

Bigeye dogfish

The Bigeye dogfish (Squalus blainville) is a species in the genus Squalus. Native to South America, inhabiting ecosystems characteristic of the region.