The snail’s shell diameter averages about 22 to 30 millimeters (.87 to 1.18 inches). Each snail’s shell has a unique combination of stripes and colors, so no two are exactly alike. These snails eat ...

Taking a trick from birds and butterflies, a mollusk shines blue using intricate structures that allow selective reflection of light. But unlike other animals, the blue-rayed limpet, a snail that ...

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...

Symmetry is a feature of many plants, animals and even some molecules -- like water. But that's not the case with snails and their coiled shells. They are chiral -- asymmetrical in such a way that ...