Djarmstrong, not to sound like a ass, but you could just Google them and save us having to retype all the info that is freely floating around on the Internet.
Read that already , just seeing if there was aything else about them i could/ should read up about them , anything that its normally up on the internet . Sorry i should of said earlier .
I know that they are mainly land Crabs but do go in and need water to live is there any type of fish i could keep in the tank with them ?
I just got 2 small ones myself and have set up a 36x20x20Inch tank for the half land - half water and would love but am not sure about keeping a few small ( Danio or Tetra or Barb type fish ) with them but am not sure if they would just get eaten straight away by the 2 Crabs .
I kept small quick fish with mine, they can't catch em. Actually helps keep things clean because the crabs are messy eaters. Also, don't feed em cheese or bread (seriously), they can't digest it.
I had 'em in a 35...it was a while ago but I think it was giant danios...Eventually I moved them into a 40 breeder, 1/3 filled up with soil. They dig tunnels through it, pretty cool.