Strange Lesion

Aug 2, 2004
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#1
One of my twinbar Platy's has a strange lesion that has form on her side. I haven't noticed any white spots on any of my fish (accept for one of my platy's I think has a white spot that I beleive has always been there). What could this strange lesion be from? All I have in my tank (29 gallons) are 5 female platy's and 1 male platy. I suppose it could be itch, any other possible diseases it could be?