HI JEAN, WELCOME TO FISHLORE!
It is so hard to tell you just what might be going on, without more information from you.
It does sound like your fish is stressed. That is a reaction that often accompanies a fish in a stressed situation. Can you describe more about your tank?
How big is it? How long has it been set up? What other fish are in the tank?
Do you do Water changes?
Do you test your water for ammonia, nitrite, and nitrate? If so, what are the current test results?
How long have you had this fish, and is it eating, swimming normally, and are there any marks or fungus apparent on the fish?
Hopefully with some answers to the above we should be able to help.