Laki & Sakura8,
Thank you for your replies. I was so sad to leave BeBe last night - I couldn't take him home because I don't have any setup for him, plus I didn't want to stress him any more. My co-worker just called (I asked her to check on him) and she said that he made it through the night, but is still on the bottom of the tank. I am going to get the epsom salt and will drive back to work shortly. I will also raise him up and see if I can coax him to eat.
Any other suggestions? Thanks so much for your help! My little BeBe is a fighter for sure!