The pufferfish, commonly known as pufferfish, (Note: the pufferfish called there is a mistake, but because of the widespread dissemination of so many places called the pufferfish, in fact, the pufferfish for mammals, please distinguish. It is similar to the cat and bear, which was called the panda after the error was accepted.) Since ancient times, the puffer fish eaten in China has been found in rivers, and is called the "river dolphin" because it makes a whining sound similar to that of a pig's squeal when it is caught out of the water. There are also "bubble fish", "blowing belly fish", "puffer fish", "puffer fish", "air drum fish " (Jiangsu, Zhejiang), "good fish" (Guangdong), "chicken hold" (Guangdong), "turtle fish" (Guangxi), "Street Fish" (read in Southern Fujianese) (Fujian), "Wax Head" (Hebei), "boat chasing fish" and other names. In ancient times, it was called "lung fish". English name: puffer fish. River puffer for the warm temperate and tropical offshore demersal fish, inhabiting the ocean in the middle and lower layers, there are a few species into the freshwater rivers, when encountering external dangers to make the whole body in the form of a ball floating to the surface, while the skin on the small spines up, by self-defense.