The shark fin is shaped like a fan. The picture is as follows:

Types of shark's fin:

1. Row of shark's fin

The row of shark's fin is made from the rising of goat slices, green slices, and toothpicked shark's fins, etc., and some kind of conforming method is adopted in rising, so that the fins' needles are connected together through the soft periosteum. The hair of the row of wings is in the shape of a fan-shaped comb, the shape is complete, beautiful and generous.

2. Scattered Shark's Fin

Scattered Shark's Fin is made of thin and small shark's fins, and the shark's fin needles are separated into fan-like shape.

3. Ridge fin (dorsal fin)

The ridge fin is taken from the shark's dorsal fin, mostly triangular in shape and similar in color to the hooked fin, with shorter needles for wrapping the fin.

Expanded

Nutrition of shark's fin: Tan Rongshao, director of the Department of Nutrition at Guangzhou Red Cross Hospital, said, "From a nutritional point of view, in accordance with the normal point of view, i.e., conventional nutrients, such as proteins, trace elements, etc., in the content of shark's fins is not a lot.

In addition, Mr. Cai, an expert from the Scientific Squirrel Society, also made it clear at the China Zero Shark Fin Forum held at the end of last year that the lead and mercury in shark's fins seriously exceeded the standard, and that there were food safety problems. "Studies have found that the nutritional value of shark's fin is not as good as milk, eggs, or even soy products." Ms. Cai said, "Mercury will damage the central nervous system, kidneys, and reproductive system when it accumulates more in the body."

People's Daily Online - Nutrition expert says: Shark's fin nutrition is not as good as milk High mercury content is harmful to the body

Baidu Encyclopedia - Shark's fin