If you keep 5-6 inches in a 10-20 Gallon tank that would be best. The froglet will not drown and you can use small styrofoam to float on the water for it to sit on. When frogs they actually like land more than other pond frogs so you can do a half and half setup for them or however you want but they do like to wander on land. They can tolerate you a little but are nervous Frogs. Pothos is good for land and water for the frogs and they won't kill it. Hope this helps! Here is my setup for the Leopard Frog I used to have.
https://youtu.be/fwFoQPKryo0


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