HCA: Hermit Crab Association

I ended up dumping everything and putting them in my 20gal, i really didnt want to dig up my burried one but he was totally fine and is pretty active right now, i plan on cleaning out the 50 and putting in new substrate once i have the money for more coco and sand, but im not sure if moving them aro...

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I’ll try and keep this as short as I can. I had my first death a few days ago. He was my smallest crab and I had no clue what killed him, I’m still mostly unsure but I have a suspicion. He was never really super active, neither is the second smallest, but he suddenly grew extremely lethargic seeming...

I have about 5 crabs right now, about a month or two ago one of them went underground and just recently came back. Problem is EVERY OTHER CRAB WENT UNDER THE NEXT DAY, so hes by himself. Will he be okay being alone for a while? I cant really get another crab because I feel like that would be pushing...

So yesterday morning I noticed one of the crabs that had been buried for a little over a month came back! He was super feisty and seemed maybe a tad mean to the smallest one, as if he were a new crab or something. But it all chilled out. Before he came up, one of them went down. After he came up, an...