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once in a wile they shed maybe every4 months they always need bigger shells they live up to 2 and a half years or more if it is a healthy crab you should clean there tank/cage or whatever it is in and every couple days so keep your crab healthy
Wiki User
∙ 11y ago
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∙ 15y agoNo. Crabs find bigger shells that other crabs have already used and they molt into them.
Wiki User
∙ 14y agoYes, crabs do have a shell if not they would be sukin wild dik
Wiki User
∙ 14y agoIt varies based on conditions like temperature and other factors, but it averages to about every 2 to 3 months.
Wiki User
∙ 14y agoYes, the exoskeleton of crabs do not grow with them. Thus, when the crab gets big enough, it needs to shed its exoskeleton, then it will start to grow another layer of exoskeleton.
Wiki User
∙ 12y agoYes. Horseshoe crabs are born with a shell their whole life.
Wiki User
∙ 12y agoA crab does not shed it's shell it grows out of it and molts.
Wiki User
∙ 13y agoyes
Anonymous
As long as it needs to there is no limit to the times it's needed to be carried out.
and a Crab will only shed when it becomes too large for it's old shell/Exoskeleton.
If food is scares then it will not bother to shed if it has not grown large enough to need to shed.
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Is crabs having to change shells a behavioral adaptation?
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.
What type of shells do hermit crabs live in when they are in the wild?
Hermit crabs live in sea snail shells so the hermit crabs go in which ever shell they think will be comfy, like turbo shells. Also hermit crabs love shells with a pearl color inside.
Do crabs live in shells?
No, they do not
Why do crabs need shells?
Crabs need shells because there abdomen is very soft and sensitive and the shell protects them.
Where do sand hermit crabs get their shells?
Empty snail shells.
Are hermet crabs born with a shell?
No. Hermit crabs grow from eggs, in their adult phase they seek out abandoned shells to occupy, and scavenge new ones as they outgrow their old shells. Typically they use the old shells from sea snails, occasionally bivalve shells, and sometimes pieces of hollow rock or wood.
Do crabs molt there shells?
yes they do?
How do crabs hide from enemies?
in their shells
Why do crabs have hard shells?
to protect them
Why do blue crabs have shells?
because they are called blue crabs and also they have a cell in there body which gives them the power if changing the colour if there shells ?
What is the difference between soft shell and hard shell crabs?
Soft shell crabs are soft and are eaten with the entire crab. Soft shell crabs are actually hard shell crabs that have shed their shells to allow for growth. Shells do not grow with the crab. Crabs retain a soft shell when they shed their hard shells; then that soft shells begins to harden-up as the crab grows.
Are crabs born with shells or eggs?
Crabs are born from eggs. As babies, they don't have shells, but float among the other larval stages in the plankton. As they grow, they develop a shell and settle down on the bottom of the sea (or sometimes move onto land in the case of several species).
