Gray-bellied Night Monkey vs Halavi guitarfish

Aotus lemurinus compared with Glaucostegus halavi

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Halavi guitarfish is Critically Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Halavi guitarfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Rhinopristiformes (Rhinopristiformes)
Family	Aotidae	Glaucostegidae
Genus	Aotus	Glaucostegus
Species	Aotus lemurinus	Glaucostegus halavi

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Halavi guitarfish

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Halavi guitarfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Halavi guitarfish

Habitat

Found across multiple habitat types including deserts and xeric shrublands, flooded grasslands and savannas, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Egypt. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.