Asian Openbill vs smooth giant clam

Anastomus oscitans compared with Tridacna derasa

Key Differences

• Asian Openbill is Least Concern while smooth giant clam is Vulnerable.

Taxonomic Classification

Rank	Asian Openbill	smooth giant clam
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Bivalvia (Bivalvia)
Order	Ciconiiformes (Ciconiiformes)	Cardiida (Cardiida)
Family	Ciconiidae	Cardiidae
Genus	Anastomus	Tridacna
Species	Anastomus oscitans	Tridacna derasa

Evolutionary Relationship

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

Conservation Status

Asian Openbill

LC — Least Concern

smooth giant clam

VU — Vulnerable

Physical Characteristics

Attribute	Asian Openbill	smooth giant clam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asian Openbill

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.

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.

Asian Openbill

The Asian Openbill (Anastomus oscitans) is a species in the genus Anastomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway.