HCA: Hermit Crab Association

Thanks for your answer. I don't like plastic plants. I think I will buy terrarium moss (for reptiles) in order to get some "green color" in my mineral environment. I will buy special salt in an aquarium store to make sea water.Maybe I can add big ropes for him to climb... As for the sponge, I though...

I'm French, and I fell in love with hermit crabs since a friend of mine asked me to keep his for a while during his holidays. At the beginning, the poor animal was always sleeping in his coconut shell. There are plastic plants, and no heating system and no moisture system. To my mind, there is not e...