Labels:reckoner | sky | tabloid OCR: Spiny Puffers see in this film, the balloonfish inflates itself with water, locks its teeth closed, and erects its spines, creating an impenetrable barrier against predators. Once the threat diminishes, the balloonfish' releas- es the water and swims off The common porcupinefish, which grows to three feet in length, often seen on Caribbean reefs but always leaves the area when divers approach. 2 OF2 commor