Definition of a giant clam...

[tang_man_montreal]

Look at this "little" guy I found on another board...

Someone had posted his dive pics from Australia!!

 

[ADS]

That's Gigas or gigantic!

 

[firechild]

Thats really not even all that big. Gigas clams get to at least twice that size. The GBR is covered in really big T. gigas.