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In preparation for molting the crayfish withdraws most of the calcium from its shell, and stores it in two white "tablets"in the sides of its head. Calcium is a major hardener in the crayfish shell, as it is in strong human bones and teeth.
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This is called molting. and occurs six to ten times during the first year of rapid growth, but less often during the second year. For a few days following each molt, crayfish have soft exoskeletons and are more vulnerable to predators.
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The Official Crayfish Page. Everything you ever wanted to know about crayfish. ... Crayfish Information ... Crayfish, also called crawfish or crawdad, are closely related to the lobster. More than half of the more than 500 species occur in North America, particularly Kentucky (Mammoth Cave) and Louisiana in the Mississippi basin.
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The molting process is one of the most exciting aspects of owning crayfish. During molting, your crayfish will shed his old exoskeleton, grow a bit, and then the new exoskeleton will harden into a protective shell.
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Last month I got my crayfish he molted the day after, I notice strange behavior as he/she was stacking all the gravel on top of his/her cave. Anyways today, Which is like a month later I caught it molting again! I notice that it was doing the same thing before it did was stacking its cave with gravel....
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MOLTING CRAYFISH INFORMATION ... Crayfish Mates Forum > General Crawfish and Crayfish Forums > Crayfish Molting, Moulting and Shedding ... Crayfish Mates Downloads Gallery Calendar Members Search Help...
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BioInfoBank Library :: Regulation of steroidogenesis in crayfish molting glands: involvement of protein synthesis. Involvement of a 3beta-hydroxysteroid dehydrogenase activity in ecdysteroid biosynthesis. Cloning and characterization of the L15 ribosomal protein gene homologue from the crayfish Orconectes limosus.
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They grow by molting, that is they shed their carapace (shell) when they outgrow it, and form a new hard shell. When they first molt they are soft, and very vulnerable to attack by other crayfish or fish. It can take a couple days for the new shell to fully harden.
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