Clinging to a slender branch of a hydroid or alga, a skeleton shrimp (Caprellidae)—one of the most extraordinary creatures in the underwater world—can be seen. These organisms are typically only a few millimeters in size, and their completely transparent bodies make them appear almost like ghosts beneath the water. They camouflage themselves skillfully upon these branches, waiting to capture tiny plankton carried along by the current.
