Paludarium Inhabitants - Tree Frog?
Currently I'm only going to be setting up a 20G freshwater aquarium, but my long term dream is a paludarium. Ideally somewhere between 30 and 55 gallons. This will be a minimum of a year in the future, so I have time to plan very carefully.
I've been looking into what would be the best inhabitant for what I'm wanting to do, but it's been a struggle.
I also like the idea of adding fishes or inverts to the water portion, if the water portion is large enough to support it. I will already have cories, RCS and Endlers from my fresh water tank. I'm not married to this idea, but it would be an extra element to the tank and would give me a nice way to split populations if I wanted to.
I briefly thought about a hissing roach, but they drown at the drop of a hat. Most inverts just aren't going to work with water.
I don't want anything toxic. While I intend on being meticulous about securing the tank, I cannot guarantee an escape won't happen. I have cats and dogs and do not want to endanger them. So no salamanders or fire bellies.
I want something that will appreciate both the land and the water. So no axolotls. I can, however, adjust ratio as needed.
I don't want something that is going to live over 15 years. So no turtles.
I will not feed vertebrates. I also need high humidity for most of the plants I want, so that nixes most lizards and snakes.
Brackish or marine also wouldn't work with the plants, so no mudskippers or hermit crabs.
I don't want something that is super fast and likely to bolt every time I open the tank. Unless I'm missing something, that leaves just a few frog species.
Since I live in Texas, I like the idea of something native. Gray tree frogs seem like they would meet all my criteria. They don't need special lighting, just the light for the plants will do. They don't need a heater (ambient heat from the light is fine) and will tolerate my house temps year round. They are likely to be more affordable from a breeder and if they somehow escape into the wild and manage to survive, they are not invasive.
Is this sound logic? Does anyone have experience with gray tree frogs? Is there a different suggestion someone would make?