Bartail spurdog vs Gray-bellied Night Monkey

Squalus notocaudatus compared with Aotus lemurinus

Key Differences

• Bartail spurdog is Least Concern while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Bartail spurdog	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Primates (Primates)
Family	Squalidae	Aotidae
Genus	Squalus	Aotus
Species	Squalus notocaudatus	Aotus lemurinus

Evolutionary Relationship

Bartail spurdog and Gray-bellied Night Monkey share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bartail spurdog

LC — Least Concern

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Bartail spurdog	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.