Our special video series looks at some of the more unique shells at the Bailey-Matthews National Shell Museum on Sanibel, ...

The Cowrie shell, part of the Cypraeidae family, is found in Western Australia and is known for its glossy exterior and spotted pattern. This particular shell is extremely rare, with only a ...

The cowrie, a type of marine snail, has very colourful shells which were used as money. It seems that it wasn’t just the colours that made the shell appealing - its small size and durability ...

Freshwater mussels are some of the planet's most fascinating and underappreciated animals. With their beautifully colorful shells, diversity of shapes and interesting adornments — including ridges, ...

Among the most successful of these are predatory green crabs—small, brightly colored crustaceans that ... In brief: they've grown thicker shells. The paper documents two sets of field ...