


Coral Profile
Derasa Clam
Tridacna derasa
Also known as: Tridacna Derasa, Smooth Giant Clam
Clamintermediate
Type
Clam
Difficulty
intermediate
Light
medium
Flow
medium
Notes
Largest commonly-kept Tridacna species — adult specimens reach 18+ inches. Hardiest of the trade clams, tolerating moderate light better than Maxima or Squamosa. Earthy green, gold, or blue mantle morphs (less iridescent than Maxima). Place on the sand bed, not on rock.
Photo: Stan Shebs / Wikimedia Commons · Source · CC-BY-SA-3.0