Blacktail spurdog vs Guyenne Spiny-rat

Squalus melanurus compared with Proechimys guyannensis

Key Differences

• Blacktail spurdog is Data Deficient while Guyenne Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Blacktail spurdog	Guyenne Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Rodentia (Rodents)
Family	Squalidae	Echimyidae
Genus	Squalus	Proechimys
Species	Squalus melanurus	Proechimys guyannensis

Evolutionary Relationship

Blacktail spurdog and Guyenne Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blacktail spurdog

DD — Data Deficient

Guyenne Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Blacktail spurdog	Guyenne Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blacktail spurdog

Guyenne Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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.