Why does the dragonhead fish emit a strange light?

The reason why the dragon head fish glows is related to the luminescent bacteria attached to its body. Dragonhead fish is distributed in the southern Yellow Sea, the East China Sea and the South China Sea estuary, as well as the southern and western waters of Taiwan, the name of the dragonhead fish is really good, about the origin of the dragonhead fish, there is a legend in our country, of course, a look at the name, it should be related to the dragon, in fact, this story is indeed related to the dragon king. But there are two theories about the origin of the dragon head fish in folk tales.

The first theory is that the dragon head fish is the tenth son of the dragon king, because of its greed for pleasure and moral corruption, so he often does bad things, and the dragon king and this kind of behavior angered the dragon king, so the dragon king expelled him from the dragon palace and never went back, and at the same time, cut off the relationship and cannot call himself a dragon. Therefore, the dragon kingfish no longer belongs to the dragon family, and it has been renamed the dragon kingfish since then.

The second theory is that the dragon head fish originally had a stem bone, but when the sea dragon king raised bones for the fish fish, the dragon head fish took the initiative to sacrifice the stem bone, and from then on, the dragon king fish was flesh and boneless, unable to stand, the dragon king was very guilty about this, so in order to make up for it, the dragon head crutch was inserted into the body of the dragon head fish, in order to act as a stem bone, not only that, but also the dragon head fish was recognized as a godson, giving it authority and power, so the fish and shrimp in the sea saw the dragon head fish as if they saw the dragon king.

The above is about the origin of the dragonhead fish, of course, this is just folklore, in fact, the dragonhead fish has such a name related to its flesh moisture content. In daily life, the meat of dragonhead fish is delicate and delicious, and it is usually fried and eaten, which is a rare delicacy. In addition, the meat of dragon head fish also has medicinal value, not only to strengthen the spleen and invigorate qi, but also to have a good effect on malnutrition, edema and epistaxis in children.

Because of this, dragonhead fish is very popular among the people, and many people even raise it as an ornament.

There are luminescent cells in the fish's **, which secretes a phosphorus-containing mucus, and phosphorus emits light when it comes into contact with oxygen in the blood. The luminous body is usually located on the front of the head, near the eyes, below the lateral line of the body, and on the caudal peduncle.

Dragonhead fish is rich in protein, calcium, phosphorus, iron, etc., and is rich in nutrients. The dragonfish has some glowing bacteria attached to its body, so it looks like its body emits some weird light.

The reason why it emits an eerie light is related to the luminescent bacteria on the dragon head fish. In the deep sea, there are many fish that emit light, and the purpose of glowing is to confuse their prey.