Florent's Guide To The

Tropical Pacific Reefs

Giant Clam
Tridacna gigas
Giant Clam
Category: Giant Clams
Scientific Name: Tridacna gigas
Size: Up to 50 in. (to 130 cm)  
Depth: 3-60 ft. (1-18 m)
Distribution: Indo-Pacific, Great Barrier Reef
Mollusca (Phylum)
└Bivalvia (Class)
 └Cardiida (Order)
  └Cardiidae (Family)
   └Tridacninae (Subfamily)
    └Tridacna (Genus)

Bivalves & Chitons
Giant Clams

Giant Clam

Maxima Giant Clam

Flutted Giant Clam

Hippopus Clam

Boring Giant Clam

Smooth Giant Clam



All Photographs
© 2025 Florent Charpin