Giant Otter vs smooth giant clam

Pteronura brasiliensis compared with Tridacna derasa

Key Differences

• Giant Otter is Endangered while smooth giant clam is Vulnerable.

Taxonomic Classification

Rank	Giant Otter	smooth giant clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Carnivora (Carnivorans)	Cardiida (Cardiida)
Family	Mustelidae (Weasels & Otters)	Cardiidae
Genus	Pteronura	Tridacna
Species	Pteronura brasiliensis	Tridacna derasa

Evolutionary Relationship

Giant Otter and smooth giant clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Giant Otter

EN — Endangered

smooth giant clam

VU — Vulnerable

Physical Characteristics

Attribute	Giant Otter	smooth giant clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.