Amazonian Marsh Rat vs smooth giant clam

Holochilus sciureus compared with Tridacna derasa

Key Differences

• Amazonian Marsh Rat is Least Concern while smooth giant clam is Vulnerable.

Taxonomic Classification

Rank	Amazonian Marsh Rat	smooth giant clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Rodentia (Rodents)	Cardiida (Cardiida)
Family	Cricetidae	Cardiidae
Genus	Holochilus	Tridacna
Species	Holochilus sciureus	Tridacna derasa

Evolutionary Relationship

Amazonian Marsh Rat and smooth giant clam share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazonian Marsh Rat

LC — Least Concern

smooth giant clam

VU — Vulnerable

Physical Characteristics

Attribute	Amazonian Marsh Rat	smooth giant clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian Marsh Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.

Amazonian Marsh Rat

The Amazonian Marsh Rat (Holochilus sciureus) is a species in the genus Holochilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.