"Add a touch of nature to your page with these hungry little fish. Watch them as they follow your mouse hoping you will feed them by clicking the surface of the water."
I discovered this tool via http://underwatertreasures.blogspot.com. You can adjust the size of the tank and the number (up to 10) and color of fish - because every good fish tank owner knows that the more fish you have the bigger your tank has to be!
Find out more about the aBowman Fish Gadget and get your own!
