Because it will be beneficial to the normal growth of this delicacy only after it is put on.

the reason why the devil fish should be released is very simple, because only after it is released can it be conducive to the normal growth of this delicacy. This kind of food not only has a unique taste, but also has a high nutritional value. We can also buy it in some walrus markets, and its price is relatively affordable. The price of one serving is about seventeen or eight yuan.

morphological characteristics of devil fish

bat mackerel, also known as devil fish, is named after their swimming posture is somewhat similar to that of bats flying at night. It is a general term for several marine fishes of Chondrichthyes and Batrychnidae. The shape of the bat shark is irregular oval, and its body plate is generally about 5~1 cm, up to more than 8 meters and weighing 3 tons. In August 28, a fisherman in Hainan, China, once caught a super "devil fish" weighing 15 kilograms.

The body is flat, wider than the length, with a wide flat head, a wide and flat snout, and a thick pectoral fin like a wing. There are two prominent cephalic fins differentiated from the pectoral fin in front of the head, which are located on both sides of the head, with a slender tail like a whip and a small dorsal fin.

Some species have one or more stingers at their tails, with wide mouths, thin and numerous teeth, which are arranged like paving stones. The upper and lower jaws have teeth, but the upper jaw may have no teeth. The nostrils are located at the front sides of the mouth, and the water outlet holes are triangular and small, located behind the eyes, with a considerable distance from the eyes. The branchial holes are wide, the waistband is deep and curved, and the center is extended with a sharp protrusion.

The back of the manta ray is mostly black or gray-blue, and its belly is gray with scattered dark spots. Its figure is like a huge blanket, and it has a round and thin tail at the back of its body, just like a sea kite. Bat mackerel has the habit of migrating, so people won't see it in one place all the year round. From June to July every year, manta rays will migrate to the coastal areas of Fujian and Zhejiang.

from August to September, they will swim to the Yellow Sea again, from October to November, they will swim back to the coast of Zhejiang, and from December to February to March of the following year, they will swim south along the original route, and they can be seen in Fujian, Zhejiang and the Yellow Sea in China.