Tigerfish tigerfish is just a common name, and tigerfish is commonly known as Sea Scorpion, belonging to Perciformes, Poisonous Family, which is widely distributed in China's Taiwan Province, South China Sea and East China Sea. Tigerfish has a unique figure, with a large head, small eyes and a thick front, while the back is flat, black, with dorsal fin, pectoral fin, ventral fin, gluteal fin and caudal fin. Because it looks like a tiger, people call it tigerfish.

Tigerfish usually likes to live in rocky areas and algae-infested places. It is precisely because its fins are covered with poisonous glands, and its toxicity is very intense, so all fishermen who are stabbed are suffering from severe pain and life-threatening. Therefore, fishermen were reluctant to catch it in the past, and people were afraid to eat it because of its highly toxic fins.

In recent years, studies by aquatic experts at home and abroad have found that tigerfish is not nutritious, and its medicinal value is considerable. It has been tested that fish has the efficacy of clearing away heat and toxic materials, and has the curative effect of treating low back pain and children's boils. At the same time, tigerfish not only tastes delicious, but also has smooth and delicate meat and unique flavor. Of course, after people buy tigerfish from the market, they can eat it only after removing the poisonous glands from its fins.

The toxic component of puffer fish is tetrodotoxin, which is a neurotoxin. People can die if they eat 0.5mg-3mg of dolphin poison. The liver, spleen, kidney, ovary, testis, eyeball, skin and blood of puffer fish are all toxic. Eggs, ovaries and liver are the most poisonous, followed by kidneys, blood, eyes and skin. The toxin is heat-resistant,100℃ will not be destroyed for 8 hours, 120℃ 1 hour, and neither salt curing nor sun exposure can destroy the toxin.

Spring is the spawning season of puffer fish every year, when the fish is the most toxic, so spring is the high incidence season of puffer fish poisoning. China's "Measures for Hygienic Management of Aquatic Products" clearly stipulates: "Pufferfish is highly toxic and may not enter the market. Captured toxic fish, such as puffer fish, should be picked out and boxed and specially stored. Therefore, puffer fish should not be eaten. Only a few people are desperate to eat puffer fish, but most people are poisoned because they don't know puffer fish and accidentally eat it.

■ How to recognize and identify puffer fish?

To prevent puffer fish poisoning, we must first realize that puffer fish is poisonous and recognize its shape to prevent poisoning by eating. The puffer fish is long and round, with a square and flat head, and some have beautiful markings; Others have no stripes, but a piece of black fish. It is also described that the puffer fish is rhombic in appearance, its eyes are sunken and half exposed, and its upper and lower teeth are shaped like human teeth. The gills are small and inconspicuous, the belly is yellow and white, and there are small white spines on the back and abdomen. The fish is smooth and scaleless, and it is black and yellow.

■ What are the symptoms of puffer fish poisoning?

The main symptoms of puffer fish poisoning are nervous system symptoms. The incubation period is very short, as short as 10-30 minutes and as long as 3-6 hours. The onset is urgent and fierce. At first, the fingers, lips and tongue tip were numb or tingling, then nausea, vomiting, abdominal pain, diarrhea, numbness and weakness of limbs, body shaking and difficulty in walking. In severe cases, the whole body was paralyzed, there was language disorder, dyspnea, blood pressure dropped and coma, and in the end, most people with severe poisoning died of respiratory failure. If the rescue is not timely, he will die within 10 minutes as soon as possible and 4-6 hours at the latest. It has been reported that the fatality rate of Japanese puffer fish poisoning is 6 1.5%.

■ What should I do if I accidentally eat puffer fish poisoning?

At present, there is no specific antidote for puffer fish poisoning. After poisoning, the patient should be sent to the hospital for emergency treatment, and the poison should be discharged as soon as possible, and symptomatic treatment should be given. The most effective way to prevent poisoning is to strictly investigate the management department, prohibit the retail of puffer fish, and if found, concentrate puffer fish for proper treatment.

The puffer fish that needs to be processed and eaten due to special circumstances should be processed in places where conditions permit. Before processing, the toxic parts such as viscera, skins and heads must be removed, muscles washed repeatedly, blood stains washed, and treated with 2% sodium bicarbonate for 24 hours. It can only be sold after inspection and identification, and its processing waste should be destroyed.

Of course, in order to prevent accidents, people should not take chances and eat puffer fish for the sake of greedy taste enjoyment.