Blacktail spurdog vs Guinea pig

Squalus melanurus compared with Cavia porcellus

Key Differences

• Blacktail spurdog is Data Deficient while Guinea pig is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Guinea pig
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Caviidae
Genus	Squalus	Cavia
Species	Squalus melanurus	Cavia porcellus

Evolutionary Relationship

Blacktail spurdog and Guinea pig share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Guinea pig

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Guinea pig
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Guinea pig

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Europe (6 countries), North America (Cuba), Oceania and the Pacific (Australia), and South America (Colombia, Ecuador).

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.