With which fish can a tortoise be kept in an aquarium?

None. Turtles need land or driftwood to get out of water and bask in the sun. They may even eat most of your fishes when they grow up. 3 month old 1″ turtles may look cute but they will eventually grow up. Red eared sliders appear to be the most commonly available. How to Care for Pet Red Eared Slider Turtles. read more

Do not put a tortoise in an aquarium. They are land animals. If you have a tortoise, give it a shallow bowl of drinking water. If you have a turtle, be aware that the turtle will eat the fish eventually, so this is not a good idea. read more

It can keep him out of trouble when you're not there to supervise him and it can hold all of his essentials, like a water dish, substrate and dark, cozy hiding places. But aquariums come with a host of dangers for Russian tortoises, from air flow problems to the glass walls that keep him closed in. read more