Giant clam
Invertebrate
- Scientific name
- Tridacna gigas
- Size
- 50–120 cm20–47 in
- Depth range
- 2–20 m7–66 ft
Diver notes
The colour in the mantle is algae the clam farms inside itself. A shadow makes it close, which is worth knowing before you lean over one for a photograph and wonder why it shut.
Where to see this
Recently seen
No sightings recorded yet. Tick this species on a dive in your logbook and it shows up here.