HCA: Hermit Crab Association

Is there a way to see where their tunnel is. There are no holes, just substrate that was torn up. We have not touched anything but we have to make some changes to the substrate as we learned we did the wrong parts sand and eco-earth. Also their water baths have sank and need to be cleaned but I'm af...

Hi, My son got 3 hermitt crabs, we have them in a 20 gallon tank, heat between 75-80, humidity has been a struggle. We've had them for almost two months now and they seem to be doing great, the eat, drink, play, and get along. All of the sudden one keeps going under a log we can see him under there,...