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

Off the coast of Brazil, a scuba diver captured something remarkable on video: a wrasse fish gripped a mollusk in its mouth, ...

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 ...

AgriLife Extension experts explain how genetics and other factors can affect an egg's color, shape and shading.