The Muuto Cat Dome is a dual habitat. It allows your pet fish to swim in a tank that is inside of a glass dome mounted on a cat pillow base.
The dome has portals so the cat can enter and exit at will enabling it to view the fish as it moves in the water. No doubt the cat will be fascinated by this invention and attempt to swat the fish at every opportunity.
The Geoffrey Cooper Mutto Cat Dome leaves me wondering how the terrorized fish will fare.