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Black spots on Blue Tang

rattslik

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This fish just had white spot and I managed to catch it and freshwater dips it now it had black spot on it. I think it is Paravortex turbellaria flatworms but I could be wrong help would be appreciated. Also it is hard for me to get a good photo since he doesn't trust me since if freshwater dipped him

20201017_122801.jpg
 

KRas1014

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My blue tang seemed to have went through a similar thing as yours is going through right now. First it had a mild case of ich with white spots, and once they cleared up she started getting some black spots, aka black ich from I would assume. I never did any freshwater dips or medicated the tank as I was afraid to stress it out. My only approach was to boost her immune system with a variety or nori, mysis, and rod's, all soaked in selcon and garlic power. I also run an oversized UV very slow flow for parasites. In my case, they cleared up within a few days, but again, it was a very mild case. Good luck with your tang, I hope she gets better!
 

Jay Hemdal

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Those spots seem too large and diffuse to be Paravortex, black ich. They are probably melanin deposition as a reaction to some irritant - either where the ich tomonts were, or a possible fluke infestation. That said, FW dips rarely control ich on their own, so keep an eye out for that to possibly return.

Jay
 

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