Spot on Yellow Tang

[tyleratl]

Hi everyone... I'm wondering what you think the cause of the spot on my yellow tang is. I've had him for about two weeks and he is eating like a pig. However, I thought that I spotted a grain or two of ich on him a day after I bought him, but it went away so fast that it may have just been a grain or two of sand. I don't have a quarantine tank but realize that I should get one. I'm worried that he might infect my two clownfish that I have had for years.

Anyway, the spot that I see now doesn't look like ich. But, is it anything to worry about?

 

[Alias233]

If you mean the white spot by it's tail it's a natural marking

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[tyleratl]

The photo that I uploaded doesn't show the spots very well. The fish refused to sit still for the photo .

Anyway, I've edited the photo to try to better show the spots that I am talking about. They are a little dark rather than the small white spots that are typical of Ich.