Answer:
I am a celebrity fish.
A spirited jig I dance bright, banishing all but darkest night. Air can't kill me but water can. Share me, I won't get less unless wind ruins me. What am I?
I'm very tempting so its said I have a shiny coat of red and my flesh is white beneath. I smell so sweet taste good to eat and help to guard your teeth.
I am a kind of coat that can only be put on when wet. What am I?
I follow you all the time and copy your every move but you can't touch me or catch me. What am I?
Give it food and it will live, give it water and it will die.