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Please Diagnose (RCS)

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Hey everyone,

I noticed this the other day on my RCS, a little white grain that was stuck on its head. 

Does anybody know what this is?

cheers! IMG_4291.thumb.JPG.4b67df2356edcc134a492

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That picture isn't very clear,  do you have a closer macro shot? 

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thanks for your reply jayc, 

that was the only photo i had of the cherry, although not to worry, its been a few weeks and none of my other shrimp have had the case above, so i'm happy.

I was just curious to see if anyone here knew what it was

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Wonder if its part of the carapace that hasn't been shed properly? Or just starting to shed? 

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