There are some glitches for the Happy Aquarium Reverse Auction that Cat Denton looked in July 2011.
Losing Coins when purchasing Pearl ItemsEdit
Some players are purchasing Pearl items and they lose coins, instead of Pearls. Please do not feed your animals by buying an Apple Feeder or you cannot get your Pearls Back. You'll get your Pearls back for not purchasing them or feeding them. You will not lose your coins and you'll pay your Pearls.
Losing Pearls when purchasing Coin ItemsEdit
Some players purchase coin items and they lose pearls instead of coins. To get your coins back, please do not buy fish food or you cannot get your coins back. You will not lose your Pearls if you don't pay coins.