Jellyfish are not easy to see and live just below the surface of the water. They can symbolize feelings and stinging activity just below the surface of awareness. You may have vague sensation of fear that is causing you to be over reactive - or you may not be aware of your fear and are taking pre-emptive actions to thwart any opportunity for success because of it. Explore your behavior and whether you are stinging others or yourself, because of insecurities.