I am sure there are questions like this all the time and I searched thru several threads (and lots of google searches) to avoid posting another what kind of bird should I get question but I also realize everyone’s situations are different and thought if I gave more specific information about my...

Which of these three should I go with if I ever were to get a fish? I've had like 2 Fantials and Maybe 2 Bettas in the past, but I'm recently really fascinated with the bubble eye goldfish. Any opinions? Ideal is something that would be okay in a 5 gallon tank :)