Juvenile Dog-faced puffer, Arothron nigropunctatus, also known as Blackspotted puffer. Here is a view from above and this one was encountered in the pelagic zone at night hovering close to the surface with the bottom some 200 meters below. Balayan Bay, Luzon Island, Philippines  <br />
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The skin is not covered with scales and its mouth is terminal with four strong teeth. Arothron nigropunctatus holds the deadly poison tetrodotoxin, which protect it from predators. In order to ward off potential enemies, they can inflate their bodies by swallowing air or water.