The fish needs to be treated with an antifungal in your aquarium water...
For the lady, this happens on and off for YEARS before you reach menopause - don't worry about it. If you get hot flashes seek the advice of your OBGYN.
I have had gold-fish all of my life, mine looked bloated and it died 2 days later, dont get worried because some dont, but my golf fish was un lucky to survie while she was getting all her eggs ready... I hope i helped you....!