Vampire Crab Island - Aquascaping Paludarium with a Waterfall

I haven’t planned to keep a crab just saw him in a shop and felt bad for him. He was kept in a really bad place so I took him with me. Since he is an escape artist make sure to keep him inside the tank. It’s better to keep him within high “walls” or at least have a lid on it. It looks like I managed to make it work, since he never escaped (yet). But anyway why would he do that when he has a great place to live. He needs water but he spends most of his time on the ground. It important to create places wher