If you have seen a snake with its mouth open in your dream: It is useful not to share information or secrets about your private life with anyone. Before expressing your opinion on some issues, it is useful to listen to what the other party has to say. To see a snake with its mouth open in your dream indicates that you will become a prey while you are a hunter, you will fall into a difficult situation due to your mistakes, your enemies will turn this situation into an opportunity, and you will fail.