Introducing Fish Bubbles: the hip and trendy fish tanks that can be hung virtually anywhere. They require no pump or filtration. You can decorate your Fish Bubble with any aquarium accessories and keep goldfish, bettas, African Dwarf frogs or any other "easy-to-maintain" freshwater fish in a cool happy home on a wall. Buy 3 or 4 tanks and you can create wall patterns and amazing conversation pieces in your home or office. Measures approximately 8.7" in diameter by 3.5" deep. Fish Bubbles include a predrilled aquarium ready to hang, stones and a colorful realistic plant.