Blacktail spurdog vs Mongolian gerbil

Squalus melanurus compared with Meriones unguiculatus

Key Differences

• Blacktail spurdog is Data Deficient while Mongolian gerbil is Not Evaluated.

Taxonomic Classification

Rank	Blacktail spurdog	Mongolian gerbil
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Muridae (Mice & Rats)
Genus	Squalus	Meriones
Species	Squalus melanurus	Meriones unguiculatus

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Mongolian gerbil

NE — Not Evaluated

Physical Characteristics

Attribute	Blacktail spurdog	Mongolian gerbil
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Mongolian gerbil

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries) 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.