Amazon Black Howler vs smooth giant clam

Alouatta nigerrima compared with Tridacna derasa

Key Differences

• Amazon Black Howler is Least Concern while smooth giant clam is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	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 nigerrima	Tridacna derasa

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

smooth giant clam

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Amazon Black Howler

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.

Amazon Black Howler

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