Sick Clown?

[Poeticlydead]

Posted this in the fish disease forum but thought maybe someone here could hlep.
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First let me say sorry for the pics, never realized how hard it is to take a non blurry pic of a clown fish. So quick backround I have had this clown pair for going on 5 years with no problems in fact they regularly spawn in the tank as of yesterday night the female started showing some hazy white on one side towards the tail it isn't so much distinct spots like I would expect with ich and their appears to be a little damage to the very end of the tail fin.

Well on to the bad pics:

Used the flash here and the white doesn't show up but you can see the end of the tail where it looks a little frayed.

I appreciate any help in diagnosis so I can take an appropriate course of action.

 

[Poeticlydead]

90 gallon reef
s.g. 1.026
temp 79-80 degrees F

This pair of clowns was added a little over 4 years ago and has spawned many, many times in the tank.

The clown isn't breathing heavy, rubbing or acting sluggish. She has been active, eating, swimming and chasing the anthias away from her home, if it wasn't for the white on her I wouldn't think anything was wrong.

 

[fpv930]

Hard to tell from the photos. However, you know your fish. Especially since you have been caring for them for over 4 years.
Check out the following link to try and pinpoint if there is a problem and for the treatment.

http://www.wetwebmedia.com/clnfshdisart.htm

If you are unable to narrow down the problem then a QT could be in order just to be on the safe side.