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.
not all hermit crabs bury themselves so nothing is wrong with your hermit crab
Anemones attach themselves to the hermit crabs, to provide as a source of camouflage from its prey. They depend on hermit crabs to move about and to search for food
i cant yes or no i would say kind of sometimes they would be separated and learn to take care of themselves
Hermit crabs pull themselves up into their hard shell. Other crabs must just get away as fast as they can.
Hermit crabs are very plain looking; they don't ever have designs. Here's pictures of a hermit crab. http://www.thecrabbagepatch.com/crabanatomy.html When they find a shell to inhabit the shell may have a pattern, but the crabs themselves are plain.
A lot
No, Hermit Crabs are omnivores.
Yes, hermit crabs can regenerate arms and legs. They do this by molting, much in the way that snakes do when they shed. From there, their legs can regrow and regenerate themselves over time.
Yes hermit crabs have antennas.
fish and bigger hermit crabs
No hermit crabs are small and friendly