Fish Hotel Aquarium

That's different.

You can check out but you'll never get fed. 

Something like that.

From the website:

...........................

Glass bowl with removable ABS plastic façade and asymmetrical windows.

Can stack with other FishHotels for tall condo-like appearance.

Detachable outer shell can be painted.

Striking modern design.

7.5" x 7.5" x 8".

Weight: 5 lbs.

...........................

$33.35.

Wait a sec... what's that music I'm hearing?

[via DesignSwan]