Either way, it's an adorable, totally unexpected choice for aquarium decor. Place a whole teapot inside the tank, making sure there's plenty of room for the fish to swim in and out of it.

Don’t be fooled by the tiny bowls bettas are kept in at the store. A single betta requires a minimum of one gallon of water ...

The old saltwater tank, unlike the new one, had fake coral — for a number of reasons. Fish swim inside the freshwater aquarium that is part of “Wonder of Water” at the Shedd Aquarium.