Blacktail spurdog vs Golden Thomasomys

Squalus melanurus compared with Thomasomys aureus

Key Differences

• Blacktail spurdog is Data Deficient while Golden Thomasomys is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Golden Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Cricetidae
Genus	Squalus	Thomasomys
Species	Squalus melanurus	Thomasomys aureus

Evolutionary Relationship

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

Conservation Status

Blacktail spurdog

DD — Data Deficient

Golden Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Golden Thomasomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Golden Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.