Fish Fun Your objective is to maintain an aquarium, keep your fishes healthy and find all 30 species of fish. You can buy 7 fishes at Shop, but you can have different species by breeding them. Take a look at your Journal to find out about the fishes that can be bred. Buy a hand vacuum to clean your tank, fish food and vitamins to feed your fishes, and of course a breed bowl in order to raise new fishes! Don't forget to buy plants to make your aquarium look attractive. Happy fishing!