Black Howler Monkey vs smooth giant clam

Alouatta pigra compared with Tridacna derasa

Key Differences

• Black Howler Monkey is Endangered while smooth giant clam is Vulnerable.

Taxonomic Classification

Rank	Black Howler Monkey	smooth giant clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Primates (Primates)	Cardiida (Cardiida)
Family	Atelidae	Cardiidae
Genus	Alouatta	Tridacna
Species	Alouatta pigra	Tridacna derasa

Evolutionary Relationship

Black Howler Monkey and smooth giant clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black Howler Monkey

EN — Endangered

smooth giant clam

VU — Vulnerable

Physical Characteristics

Attribute	Black Howler Monkey	smooth giant clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

smooth giant clam

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Marshall Islands and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Howler Monkey

The Black Howler Monkey (Alouatta pigra) is a species in the genus Alouatta. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.