Is this a parasite?

[gte755t]

Wondering if I should be concerned about this black area on my shrimp

 

[WIReefer]

The video would not play for me, try uploading to YouTube first then trying.

 

[gte755t]

how about this...

 

[vetteguy53081]

Iodide deficiency and purely cosmetic. When it molts again, that spot will vanish. Tank MAY, I say May be iodine deficient hence the black spot. Adding trace elements should help

 

[gte755t]

Thanks for the info