When we picture sea turtles in the wild, it's easy to envision them as armored warriors—their hard, resilient shells serving as near-impenetrable shields against oceanic threats like sharks. These ...

Turtles are famous for their shells, but this feature is far more than a protective covering. A turtle’s shell is actually fused to its skeleton, meaning its ribs and spine became part of a living ...

A sea turtle’s shell is living bone fused directly to its spine and ribs. It is not a detachable shield or an external case, as certain quirky cartoons have shown. The shell grows with the turtle, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The broad-shelled river turtle (Chelodina expansa) falls into a group known as side-neck turtles.