HCA: Hermit Crab Association

Ever since i switched my crabs over to a bigger tank only one of the four has been extremely active. The inactive ones usually hide. I recently had to use the naked crab protocol due to one crab not being in its shell. He’s finally gone into a shell but won’t move out of the container (he is alive) ...

Last week I purchased a small hermit crab. Since then I never noticed him being very active but I thought it was normal due to him getting used to a new environment. For the past two day he has not moved places and has remained in its shell. I picked him up and noticed no movement but he hasn’t lost...