Why can't puffer fish be eaten directly?

The puffer fish is poisonous and cannot be eaten directly.

The toxic components of puffer fish are called tetrodotoxin, or TTX for short. It's no stranger to friends who like to see a famous detective Conan. This is a highly toxic neurotoxin, which is the most toxic in the liver and ovary of puffer fish, followed by kidney, blood, eyes, skin and meat. The position and seasonal changes of tetrodotoxin; The position of tetrodotoxin is the internal organs of fish. It includes liver, gonad, liver, stomach, blood and other parts, and its toxic content changes with different breeding environments and seasons.

Some puffer fish are poisonous not only in their internal organs, but also in their muscles, which cannot be removed by ordinary cooking methods. You'd better not make your own puffer fish. Relatively speaking, it is safer to eat puffer fish in regular hotels, because some hotels will hire experts to kill puffer fish at high prices to deal with puffer fish.

Brief introduction of puffer fish

Puffer is a kind of warm-water marine benthic fish belonging to the family Breviscidae. The puffer fish is covered with burrs. The upper and lower teeth are connected together, with thick and tough skin, small mouth and round head, dark brown back, white abdomen and blue-green eyes, which will change color with the change of light. Puffer fish, also known as bubble fish, puffer fish, big jade spot, black wolf and so on. In Guangdong, it is called Riding Fish, Chicken Bubble and Turtle, and in China, it is called Waxitou near Hebei. The puffer fish got its name because it is common in rivers and looks like a dolphin.

The puffer fish is distributed along the coast of China and the western part of the North Pacific Ocean. Most puffer fish live in the sea, and some fresh water also exists. Every year around Tomb-Sweeping Day, puffer fish swim from the sea to the middle and lower reaches of the Yangtze River. When threatened, they will swallow water or air, making their bodies swell into prickly balls, making it difficult for natural enemies to shut up and swim slowly. The puffer fish feed on clams, oysters and sea urchins. Pufferfish spawn in spring.