Those are great. They’ll only require about a 55 gallon aquarium (minimum when fully filled, preferably a 60+ gallon) with an enclosed basking spot placed on top. They’re like tortoises, but move faster and stay smaller. They have a ton of personality and come in a tiny package. One of the best...
I've had nightmares about mine dying. He's a rescue, so there's all sorts of things wrong with him, so I guess he's more vulnerable to that than other torts. I'm always afraid I'm going to find him dead, even though he's healthy(ish), so I get nightmares sometimes.