All mollusks build their own shells, whether they live in water or on land. Creatures like snails, clams, oysters and mussels use an organ called a mantle to secrete layers of calcium carbonate ...

Snails come in a wide variety of sizes, shapes, and species, and they serve a key role in our environment. Not only do they ...

Little is known about the reproduction of the shellbound critters, which can grow so large ... snail. We turned it over to be ...

Recognized as the official state shell of Texas ... can live up to 15 years and grow as large as 16 inches, making them one of the more impressive sea snail species. Historically, Native American ...

The strange reproductive habits of a large, carnivorous New Zealand snail were once shrouded in mystery. Now, footage of the ...