No
A crab that lives in the shells of other shell fish is called a hermit crab.
no mold on crab shells is not bad for you but it is bad for the crab
Snail shells are formed biologically as the snail grows up. Hermit crabs occupy empty shells and other containers, instead.
Hermit crabs can have a variety of different shells, which are called different things. But the overall kind of shells they usually inhabit are sea snail shells, which are washed up onto the shore of the Caribbean of where they live.
Horseshoe crab
Things that were found at the same lake where the crab was living. That's where the crab belongs.
Hermit crabs protect themselves by the shells they live in. By living in shells they are able to hide in them, away from predators.
there both living things
They are all living things
Truthfully, other than the obvious (crabs and lobsters), they are closely related to the spider.
No hermit crabs inspect a new shell inside of their cage the they pull them self out of the shell and then drop them self into a new shell. there are videos on youtube.com of crabs changing shells. so provide your crab with extra shells. i am a hermit crab owner i have watched my crabs change shells it is called molting.
They probably come out of their shells to do it, but no crab has reproduced in captivity.