Poisonous fish, commonly known as lionfish, butterfly fish and red bearded fish, belong to the family Leptospira, and generally have spikes on their fins, all of which are toxic and neurotoxic. Poisonous fish are poisonous, poisonous, poisonous, poisonous, poisonous, poisonous, poisonous, poisonous, poisonous, poisonous and poisonous. Tiger fish and stone fish have flat bodies, and the width of the front part is equal to the height of the body. The head is big and irregular. The big oblique crack of the mouth is almost vertical. The body has no scales and thick skin, and there are many cortical processes of different sizes and shapes on the body. The body color is changeable, with three wide horizontal bands on the side, an arc-shaped wide stripe on the front and back of the pectoral fin, and light colors at the middle and outer ends. There are poisonous glands at the base, which can secrete neurotoxins, which is fatal. A poisonous fish, belonging to the genus Agkistrodon, Liang Long, has a short and wide body, well-developed teeth plates in the upper and lower jaws of the mouth, and strong spines specialized by scales all over the body. The thorn is very long, covered with small black spots and six large dark brown spots. It is similar to Chaishen, but the latter has large spots with white edges and patches between the chest and eyes. Lanyu, lanyu, poisonous fish, lanyu with eyes, commonly known as yellow fox and blue fish. Although dorsal fin is toxic, it is not.