So far, the effort has been frustrating. Giant Clam Facts Giant clams are the largest bivalve mollusks in the world, reaching a length of up to 1.3 m. They can weigh more than 500 kg. Giant clam meat is highly regarded in Asia and the Pacific Islands. It is eaten cooked, raw or dried.
Giant clams are hermaphrodites, capable of producing sperm and eggs.
One clam can release millions of eggs. In nature, less than one percent of their eggs survive to the adult stage. Giant clams are listed as threatened species under the terms of the Convention on International Trade in Endangered Species. Clams harvested from the wild may not be exported.