Help ID white dots on clownfish

[dannyboy92]

I just noticed them tonight. Haven't seen it act any different than he usually does. it's eating and swimming normally. All my fish were quarantined prior to putting in DT and no signs of the other fish acting strange or having white dots.

 

[Jay Hemdal]

That could be marine ich, Cryptocaryon. More history is needed though, since ich cannot always be identified by a single picture. This post explains that:

Some Helpful Hints When Posting or Responding to Threads in the Fish Disease Treatment and Diagnosis Section

Aquarium Fish Disease Problem Solving Determining the best course of action for a problem with your aquarium can be a difficult task. Even advanced aquarists will often need to seek the help of others for complicated or unique issues. Our intent here on Reef 2 Reef is to offer expert advice...

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Jay