$9999999 money.
You'll have lots of fun with your fishy friends if you feed them and keep them healthy. they're Bratz fish, so of course they like to be in fashion. Surround them with funky tank decorations you can pick out yourself. When you're ready to mix it up, use the Fish Mix to make new fish, you'll see some crazy combos. And don't forget to sell some fish so you'll have plenty of cash to keep your fish in style. Choose 4 critters, decorate your tank and take care of your fishy friends.To feed your fish, drag the food shaker to the tank. Feed your fish at least once a day.