What can I put in 20, 40, and 75 gallon tanks? … looking for ideas

Hey everyone, I have a few extra tanks sitting around and I’m curious about what kinds of animals would fit in them. I’m interested in mammals and lizards but no fish please! Any suggestions on what would do well in 20, 40, and 75 gallon tanks?

20 gallons is a bit small for mammals and lizards since both can be pretty active, so it’s a challenge to find something that will be comfortable there. You could use it for a baby leopard gecko and then move it to a 40 gallon as it grows. For the 75 gallon, that’s a perfect size for a hamster! Despite what some pet stores show, hamsters actually love to run a lot and dig big burrows, so a 75 gallon gives them plenty of space to roam and you can set up a cool environment for them.