The mysterious strange fish turned out to be seven-star fish, a relative of snakehead and an exotic species. It pried open the mouth of the strange fish, revealing a red tongue with a yellow edge and clearly visible "gums"?

It is reported that the scientific name of the seven-star fish is moon black fish, and there are other nicknames such as mountain half fish, weighing star fish, starfish and hemp fish. It belongs to Perciformes and is a secondary freshwater fish. There are only three kinds of snakehead in China, spotted snakehead and moon snakehead, which are smaller than seven-star fish. The characteristics of the seven-star snakehead vary slightly from place to place. Generally, the body color is mostly white, green or dark brown, with occasional light brown. The head is wide and big, the top of the head is flat, the mouth is big, the abdomen is milky white and the tail is flat. The most obvious feature of Qixing fish is that there are pearl highlights around it.