The fishy line is the sensory organ of the fish to feel the flow of water. There is a water line on each side of the fish, and this water line is called the ichthyophore.

The fishy line is also known as the fish tendon, it has a lot of small holes, and it is also connected to the fish tendon, to help the fish feel the flow of the water, and some of the earthy smell of the water and the water together with the smell, will gradually through the small holes into the body of the fish, resulting in the fish tendon is very fishy, which is the reason why it is known as the fishy line.

Fishy line in addition to the taste is more fishy, in fact, there is no harm to the human body, even if you do not get rid of and fish together after cooking for consumption, in fact, there will not be anything, it is able to eat.

Expanded information:

Fish fishy threads of the method of removal

The first step: in the gill of the fish behind about a finger's width and make a cut, you will see a white thread in the flesh, which is the fishy line.

The second step: in the tail of the fish a finger width also cut a knife, you can also see this fishy line.

The third step: slowly pull outward with your hand, while pulling the back of the knife to beat the fish, and soon the fishy line can be taken out, and the other side of the fish fish fish line in accordance with this method to pull out.

People's health network - why you buy the fish always have the smell of earth? Maybe it has something to do with the environment in which it grows

Baidu Encyclopedia - Fishy thread