yes they do becuse if they dont the part that goes in the shell is very tender and soft and can get dameged very easy so its good to have difernt sized empty shells in the cage so the crab can change the shells when needed
well mostly the difference between crabs and hermit crabs is that one is not born with a shell and one is. Also hermit crabs tend to be smaller
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 shell...
There shell
Their shell
some crabs, like hermit crabs
What I know of that is hermit crabs will eat snails. However, hermit crabs will often use an empty shell of a sea snail.
They aren't; they need a shell.
break the shell just kiddin
No
As hermit crabs grow and increase in size they need to come out of their shell in order to find a larger shell to live in.
Yes, Hermit crabs can only maneuver when they can lift and fit the shell appropriately.