Now this is obsolete, as we have many apps and games in tablets and netbooks.
Animated Aquarium, iGoogle Gadget with Moving Fishes and Plants. Add aquarium to your blog, use the iframe code at aquatic
This is a Cross Browser DHTML Aquarium. If you Click on Glass it will bubble air to add fresh air for the Aquatic Life.
The Screenshots are here below. See the source at GitHub Aquarium Code
Large Aquarium Screenshot
Add large aquarium to your blog, use the iframe code at aquarium
Historically this is the Gadget that Launched a 1000 Gadgets in the Web and on Portable Devices. Made Virtual Pets Popular, even in the new social networks. ;-) Now this gadget, got canvas view too.
First Gadget - Animated Aquarium Gadget with Moving Fishes and Plants.
Improved for Canvas - Sea Aquarium Gadget, Canvas View, Performers include Starfish, AngelFish and Seaweed.