English: puffer fish, puffer fish, puffer fish, puffer fish, rabbit fish.

Puffer fish, also known as bubble fish, also known as Japanese mackerel, also known as puffer fish, bubble fish, spicy head fish. Jiangsu and Zhejiang provinces are called Little Fish Spots, Big Fish Spots, Black Wolves, etc., Guangdong is called Adult Fish, Chicken Bubbles and Turtle, Guangdong Chaoshan is called Strange Fish, and Hebei is called Pull Head. Scientific name: fugn rubipes t&s (fugu rubripes) and fugu obscurus (fugu obscurus), belonging to teleost, fugu suborder. Generally, it swims from the sea to the middle and lower reaches of the Yangtze River around Tomb-Sweeping Day every year. In China, there are more than 30 species of puffer fish, including fugu flavipectus, fugu wormwood, fugu rubripes and fugu obscurus, among which fugu obscurus has the largest output. The average body length is 70-500 mm, among which the red-finned oriental dolphin is 750 mm, the puffer fish is extremely delicious, and it is also called "Three Freshness of the Yangtze River" with shad and swordfish.

The puffer fish has a short and thick body. Pufferfish have small hair-like spines. Tough and thick puffer fish skin was once used to make helmets. The upper and lower teeth of puffer fish are connected together like sharp blades. This makes it easy for puffer fish to crush hard coral shells. Most puffer fish are tropical marine fish, and only a few species live in fresh water. Once the puffer fish is threatened, it will swallow water or air to expand its body into a spiny ball, making it difficult for natural enemies to shut up. The viscera of many puffer fish contains a neurotoxin that can kill people. Someone has tested the toxicity of tetrodotoxin. Its toxicity is equivalent to 1250 times of the highly toxic drug sodium cyanide, and only 0.48 mg can cause death. In fact, the muscles of puffer fish are toxin-free. The most poisonous parts of puffer fish are ovary and liver, followed by kidney, blood, eyes, gills and skin. The toxicity of puffer fish is also related to its reproductive cycle. The puffer fish with eggs is the most toxic in late spring and early summer. This toxin can make people nervous paralysis, vomiting, cold limbs, and then stop heartbeat and breathing. There are reports of eating puffer fish and dying at home and abroad. Although it is risky to taste puffer fish, it is very delicious because it tastes good. So there are still many gluttons who desperately eat puffer fish. The most popular country to eat puffer fish in the world is Japan. There are puffer fish restaurants in major cities in Japan. Chefs must undergo strict professional training. In the graduation exam, the chef will eat his own puffer fish. So some people who are not very skilled are afraid to take the exam and run. Pufferfish swim very slowly. This is because most fish usually have swimming muscles in the second half of their bodies. The puffer fish must paddle with its dorsal fin and caudal fin swinging from side to side. The teeth of puffer fish are very similar to those of spiny dolphins. The teeth of puffer fish fuse into a beak. Teeth in the upper and lower palates are used to crush mollusks and corals. The puffer fish will swallow the living parts of these creatures together with marine creatures such as crabs, worms and barnacles. The puffer fish is distributed all over the world, with about 100 species. The puffer fish has a small round mouth, a dark brown back and a white abdomen. The big one is 1 m long and weighs about 10 kg. Its eyes are usually blue-green, which can automatically change color with the change of light. There are not many bones, and the dorsal fin and ventral fin are very soft, but there are two rows of sharp teeth, which can crush hard-shell foods such as clams, oysters and sea urchins.