Blue Pelagic Porcupine Pufferfish - PhilippinesDiodon eydouxii The Blue Pelagic Porcupine Pufferfish is an open ocean species that differs from many other porcupinefish by spending its life in the water column rather than around reefs or the seafloor. It has a blue back and sides covered with small black spots, spotted fins, a dark band on the throat, and a silvery white belly. This species is circumtropical and is usually found in tropical pelagic waters, often schooling near the surface. It