Blacktail spurdog vs Four-toed Hedgehog

Squalus melanurus compared with Atelerix albiventris

Key Differences

• Blacktail spurdog is Data Deficient while Four-toed Hedgehog is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	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 melanurus	Atelerix albiventris

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Four-toed Hedgehog

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Four-toed Hedgehog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Four-toed Hedgehog

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and Spain.

Blacktail spurdog

The Blacktail spurdog (Squalus melanurus) is a species in the genus Squalus. It is currently classified as Data Deficient on the IUCN Red List.