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, ...

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

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 ...