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August 13, 2012

Originally posted on NC Museum of Natural Sciences Education Blog:

We have new creatures in the Micro World iLab!!! Crayfish!!  We had wanted to add them to our pond tank, part of the whole “cycle of life” thing, but on the advice of our aquatics professionals at the museum, we opted to have them in a separate tank. (Apparently the crayfish would tear up the tank’s plants, eat the snails, dig up the gravel and eat our fish, so….)

However, to come back to things, do come visit and check out the crayfish. Our aquatics people did a beautiful job setting the tank up for us! :) Kudos to them.

And of course, the crayfish seem eager to put on a visual display for our visitors as well. We had them a few days and already, they molted!!!

image of a crayfish molt

Here is the molted shell that the crayfish will eventually eat, to recapture the calcium and other nutrients it has.

molted crayfish hiding in bushes as it is vulnerable to predators Here is…

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