Snakehead usually lives in still water or flowing water full of aquatic plants and soft sediments. The habitat of snakehead is distributed in lakes, rivers, reservoirs, ponds and other waters. Often dive to the bottom and swing the pectoral fin to maintain balance.
It has strong adaptability to the changes of environmental factors in water, especially to hypoxia, poor water temperature and water quality. When there is no oxygen in the water, you can stick your head out of the water. The back side is flat. The head is long, slightly flat at the front and slightly higher at the back. With the help of the suprabranchial device consisting of the upper branchial bone on the back of the first branchial arch and the bone fragments extending from the glossopharyngeal bone, oxygen in the air can be directly breathed.
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Precautions:
People with cold constitution are not suitable: snakehead is a kind of freshwater fish and belongs to cold food. If the body is cold, try to eat as little as possible in daily life, otherwise it will easily lead to diarrhea and physical deficiency. Especially those women who are in menstrual period should pay more attention to eating less, otherwise it will easily cause palace cold and seriously endanger their health.
Allergic people can't eat snakehead: Although snakehead has various benefits, if you are allergic to snakehead or have been allergic, you can't eat snakehead. Snakehead tends to vomit and diarrhea, and there are bumps on your body. If you don't know if you are allergic to snakehead, you can eat a little first, and then continue to eat until you feel that your body has no strange feeling.
Baidu encyclopedia-snakehead
People's Daily Online-Tips for Healthy Fish Eating: Kill live fish now and put it aside before eating.