crabs

Geosesarma Question. Recently picked up an Exo Terra Turtle Tank for cheap and would love to go for a setup like the picture below(can not remember where I found the pic so no info on its inhabitants if any). Just wondering if it would be possible to keep vampire/halloween crabs in a setup like...

I am building a new 55 gallon paludarium for my geosesarma sp crabs. I have done a lot of research and I need suggestions and opinions on everything. what kind of pump should I use for the waterfall? I want as much terra space as possible so I am leaning towards external filter rather than...