Giant Clam or Gigas Clam – Tridacna gigas
"How would you like to have a 4 foot, 400 pound Clam sitting in your living room aquarium? Now THAT would be an attraction. It’s one big fellow and peaceful too!"

   The Giant Clam, Tridacna Gigas, is the largest bivalve (mollusc) in the world!

   The Tridacna gigas clam is commonly called the Giant Clam or Gigas Clam. This impressive Tridacna clam species is popular as both a food source and a novelty. Its numbers in the
wild have been greatly reduced because of over collection and hunting. The Giant Clam, along with its cousin the Derasa Clam Tridacna derasa, is one of the first aquacultured species of Tridacna clams. Today both of these giant clams are cultivated in captivity. They are supplied as a food source, but are also readily available to the aquarist.

   The Giant Clam, or Gigas Clam, has proven to be one of the hardiest giant clams for the aquarium. They are relatively easy to care for and can grow very
rapidly when provided with adequate light and calcium levels. Giant Clams will need ample room in the aquarium, as true to their name they can can become very large, reaching over 3′ in length…