Blacktail spurdog vs Chilean rock rat

Squalus melanurus compared with Aconaemys fuscus

Key Differences

• Blacktail spurdog is Data Deficient while Chilean rock rat is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Chilean rock rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Octodontidae
Genus	Squalus	Aconaemys
Species	Squalus melanurus	Aconaemys fuscus

Evolutionary Relationship

Blacktail spurdog and Chilean rock rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Chilean rock rat

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Chilean rock rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Chilean rock rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Chilean rock rat

The Chilean rock rat (Aconaemys fuscus) is a species in the genus Aconaemys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.