Dried Porcupine Fish for Sale or Porcupine Blowfish with sharp spines measuring between approximately 9 inches and 9-7/8 inches long, with a hanger for easy display.  They have fake wiggly eyes and there will be a seam where the meat was removed. They are also called, balloonfish and globefish.  Porcupine fish have heavy spines over their entire body. They inflate their body to increase their size as a defense mechanism.