Nothing, he's probably molting, so don't disturb him!
yes
Hermit crabs dip their big claw in and drink drop of water on it.
it depends how big the hermit crab is or the fish bowl
Hermit crabs, if grown up in a large aquarium can get as big as an orange.
* first they are big and small * up to 6 in.
The land hermit crab has a big claw and a small claw. The ocean hermit crab's claw's are the same size.
Yes, Hermit crabs can only maneuver when they can lift and fit the shell appropriately.
They are small as a pea.
When a hermit crab outgrows its shell, it will move into a larger shell.
it deppends on how big the hermit crabs and the moon crabs are but if the hermit crab is bigger youv'e got your self a dead moon crab
birds,big fish
It depends on the hermit crab but I would personally say just to be careful No the big one might hurt or bully the smaller crab.