Desktop Aquarium
A tiny living aquarium for your Mac.
Let fish drift across your desktop while you work, study, or wind down. Start free, then customize the tank with optional theme packs.
Free base app. Optional paid content packs. macOS 14+.
What it is
A calm tank that lives on your desktop.
Lives quietly on your desktop
It rests behind your windows like a real tank on the shelf — present, never in the way.
Fish keep swimming while you work
The aquarium runs on its own. Glance over between tasks and the fish are still drifting.
Customize the tank
Swap floors, back walls, fish, and whole themes with optional packs whenever you want more.
In the tank
The real aquarium, day and night.
coming soon
coming soon
Theme packs
Optional packs add new floors, back walls, fish skins, and decor.
Start free. Customize when you want more.
Moon Temple
A moonlit jade palace with glowing lotus, lanterns, and the Moon Veil betta.
Moonlit Sylvan
Crescent ruins and a quiet moonwell grove washed in soft blue light.
Sunspire Grove
A warm daytime tank with sunlit vine arches and a glowing sun crystal.
Start free.
A tiny living aquarium for your Mac. macOS 14+. Optional paid content packs.