Common Apple Snail vs Gray-shanked Douc Langur

Pomacea bridgesii compared with Pygathrix cinerea

Key Differences

• Common Apple Snail is Least Concern while Gray-shanked Douc Langur is Critically Endangered.

Taxonomic Classification

Rank	Common Apple Snail	Gray-shanked Douc Langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Architaenioglossa (Architaenioglossa)	Primates (Primates)
Family	Ampullariidae	Cercopithecidae (Old World Monkeys)
Genus	Pomacea	Pygathrix
Species	Pomacea bridgesii	Pygathrix cinerea

Evolutionary Relationship

Common Apple Snail and Gray-shanked Douc Langur share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Apple Snail

LC — Least Concern

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

Attribute	Common Apple Snail	Gray-shanked Douc Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Apple Snail

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and mangrove forests and coastal wetlands within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Israel, Taiwan, Vietnam), Europe (Austria), North America (United States), and South America (Chile, Venezuela).

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Apple Snail

<em>Pomacea bridgesii</em>, commonly known as the Common Apple Snail or Spike-topped Apple Snail, is a freshwater gastropod mollusk in the family Ampullariidae. This species is classified as Least Concern on the IUCN Red List and has an extensive global distribution spanning Asia, Europe, North America, and South America, largely due to its popularity in the aquarium trade and subsequent introductions. In its native South American range, Common Apple Snails typically inhabit tropical and subtropical freshwater environments including rivers, lakes, marshes, and flooded forests such as mangroves. They are known for their distinctly globular shell and their ability to breathe both air and water using a combination of a gill and a primitive lung-like structure. This species typically lays distinctive pink egg clutches above the waterline on emergent vegetation or hard surfaces. It feeds primarily on aquatic vegetation, algae, and detritus. Its average lifespan is approximately 3 years under favorable conditions.