Create your own marine aquarium.
Full version features:
* 20 fish categories, 180 fish species
* Up to 20 fish in the tank
* Able to feed fish and fish grows
* Matured fish may have babies
* Background change
* Landscape mode
* Many options available, such as fish speed, growth speed, food type, light animation, etc.
HOME/MENU/Wallpaper/Live wallpapers/aniPet Aquarium (free)
This limited free version only has 2 fish and without settings, but provides 2-day trial of the full features.