The Bailey-Matthews National Shell Museum and Aquarium on Sanibel Island has a new exhibit ready for you to enjoy. It's called "Brilliant Colors of the Sea: Nudibranchs and Their Relatives." ...

Snail shells are often colorful and strikingly patterned. This is due to pigments that are produced in special cells of the snail and stored in the shell in varying concentrations. Fossil shells, on ...