Bartail spurdog vs Dusky melanomys

Squalus notocaudatus compared with Melanomys caliginosus

Taxonomic Classification

Rank	Bartail spurdog	Dusky melanomys
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	Melanomys
Species	Squalus notocaudatus	Melanomys caliginosus

Evolutionary Relationship

Bartail spurdog and Dusky melanomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bartail spurdog

LC — Least Concern

Dusky melanomys

LC — Least Concern

Physical Characteristics

Attribute	Bartail spurdog	Dusky melanomys
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Dusky melanomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.