I am setting up a 20 gal long tank for my newts. I had 2 until some how the lid on my 2 gal tank got knocked off and one ran for the hills. I am getting a few more tho. Is there anything I can put with them? I know not anything bigger because they will eat them. I have learned that I need a sponge filter in the tank. I was going to use a Tetrafaun Decorative Repto Filter. I have one in my Fire Belly Toad tank, BUT I would have to have to mod the holes so they can't go in them.

What else can I put in it or what can I do to the tank to make it look cool? This is a pic of my toad setup and just didn't want it to look the same.
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