Thousands of feet down in the East China Sea, a diamond-shaped sea creature with "prickles" on its "eyeball skin" swam ...

When most people think of cartilaginous fish, sharks are the first to come to mind. But the category also covers skates and rays—two flat, kite-shaped species of ocean dwellers closely related ...

But the category also covers skates and rays—two flat, kite-shaped species of ocean dwellers closely related to sharks. They may look alike at first glance, but skates and rays are surprisingly ...

Analysis - The Madagascar Ridge, in the southwestern Indian Ocean, is a remote, elevated area of seabed south of Madagascar. In 2016, my colleagues and I discovered a new cartilaginous fish ...