Blacktail spurdog vs Desmarest’s Spiny Pocket Mouse

Squalus melanurus compared with Heteromys desmarestianus

Key Differences

• Blacktail spurdog is Data Deficient while Desmarest’s Spiny Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Desmarest’s Spiny Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Heteromyidae
Genus	Squalus	Heteromys
Species	Squalus melanurus	Heteromys desmarestianus

Evolutionary Relationship

Blacktail spurdog and Desmarest’s Spiny Pocket Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Desmarest’s Spiny Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Desmarest’s Spiny Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Desmarest’s Spiny Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.