Gray-bellied Night Monkey vs thick-lipped risso snail

Aotus lemurinus compared with Rissoa membranacea

Key Differences

• Gray-bellied Night Monkey is Vulnerable while thick-lipped risso snail is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	thick-lipped risso snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Primates (Primates)	Littorinimorpha (Littorinimorpha)
Family	Aotidae	Rissoidae
Genus	Aotus	Rissoa
Species	Aotus lemurinus	Rissoa membranacea

Evolutionary Relationship

Gray-bellied Night Monkey and thick-lipped risso snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

thick-lipped risso snail

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	thick-lipped risso snail
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.

thick-lipped risso snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.