The puffer fish, also known as the blowfish, is a species of fish that belongs to the Tetraodontidae family. This fascinating fish is specifically known for its unique defense mechanism of inflating like a balloon when threatened. The puffer fish has several synonyms including the balloonfish, globe fish, and fugu. The balloonfish and globe fish often describe the puffer fish's round and inflated appearance. Meanwhile, Fugu is the Japanese term for the puffer fish, and it is a celebrated delicacy in certain Japanese cuisines. The puffer fish is a remarkable and intriguing sea creature with unique qualities that are unparalleled among its aquatic counterparts.