MATTHEW OLDFIELD / SCIENCE PHOTO LIBRARY MATTHEW OLDFIELD / SCIENCE PHOTO LIBRARY
Ghost goby (Bryaninops erythrops, centre left) resting on hard coral. The goby family (Gobiidae) is one of the largest families of fish and includes some of the smallest vertebrates in the world. Ghost gobies have transparent bodies, giving them very good camouflage against a variety of backgrounds. Photographed off Ambon, Indonesia.
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