Douroucouli a bras gris vs tiny risso snail

Aotus griseimembra compared with Rissoa parva

Key Differences

• Douroucouli a bras gris is Vulnerable while tiny risso snail is Least Concern.

Taxonomic Classification

Rank	Douroucouli a bras gris	tiny 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 griseimembra	Rissoa parva

Evolutionary Relationship

Douroucouli a bras gris and tiny risso snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Douroucouli a bras gris

VU — Vulnerable

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	Douroucouli a bras gris	tiny risso snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Douroucouli a bras gris

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

tiny risso snail

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.