First of all, hermit crabs are nocturnal so they are more active at night.
They dig because that is their nature, they dig so they can go underground and molt, or just to be active. They also like to bury themselves a lot because that is their nature.
Most of the time Hermit Crabs just dig for fun but at other times they are molting.
Sand is better so they can dig.
hermit crabs LOVE to CLIMB trees in the wild so have some tree bark in your tank. Also have hiding places they love to hide, some like to dig. this is chewy89422 inproving answer: land hermit crabs love to do the following: dig,climb,hide,be very social with other crabs,and they love to be playd with and exercise.
A lot
your hermit crabs are burrowing because they are about to molt. hermit crabs have exoskeletons so they have to molt or shed their exoskeleton to grow. so they dig underground to do that because hermies are vunrable they will stay underground to weeks to months NEVER dig them up. you know if they are dead if you smell rotting egg.
Hermit crabs burry themselves to moult, to create a stable humidity and temperature below ground if above ground isn't proper for them, and to hide and by shy if they aren't feeling safe.
No, Hermit Crabs are omnivores.
fish and bigger hermit crabs
Yes hermit crabs have antennas.
No hermit crabs are small and friendly
sea birds, fish, octopuses, crabs, and other hermit crabs
Yes, so if a hermit crab is molting put some card board in between the hermit crab and the others because the others might dig it up and eat it alive. Make SURE both sides of hermit crabs have food and water. Even though the hermit crab might not dig up that, day it might while you are away, and it will need food and water as soon as it comes up.