No hermit crabs do not grow back skin
Crabs grow out of their shells and they also shed their skin to do that. Meaning they molt their skin.
if untreated what problums can crabs do to human body
yes crabs are echinoderms because they have spiny skin
hard
No they do not.
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(sea crabs) : small aquatic creatures etc. (freshwater crabs) : animal & plant matter etc. (genital crabs) : dead skin etc.
no it can only pinch you
No, they shed their shells regularily. that is where we get soft shell crabs from; crabs who have just shed their shells and are cooked. Like a snake shedding their skin.
Yes, they also eat it for extra nutrition
Crabs