Florent's Guide To The Hawaiian, South Pacific and

Indo-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) Mollusks
└Bivalvia (Class) Bivalves
 └Cardiida (Order)
  └Cardiidae (Family) Cockles
   └Tridacninae (Subfamily) Giant Clams
    └Tridacna (Genus)
     └T. gigas (Species)
WoRMS ID: 207670🔗
iNaturalist ID: 114396🔗

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© 2026 Florent Charpin