Seashells are composed of calcium carbonate, the same material found in our bones and teeth.
Tiger clams are a natural reducer of greenhouse gases; they process CO2 out of the ocean water, which in turn allows the ocean to absorb more CO2 from the air.
All clams, including the tiger clam, are capable of producing pearls.
Seashells are among the oldest forms of currency on the planet. Many of the first coins minted were emblazoned with seashells to show that they were currency. In fact, in some parts of the world they’re still legal tender.