Hi Christina,
When I first played it I did the exact same thing. It turns out to be one of those DUH moments. <img border="0" alt="

" title="" src="graemlins/woozy.gif" /> When you get to the save game screen put the fish on the spot where you want to save, type in the name you want to give the save and click on the "save" button before returning to the game.
Hope that helps.
Hugs, Cheryl