Silver Sailfin/Lyretail Molly fins turning orange--Why?

Dec 14, 2011
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WI
#1
I've had my male Silver Sailfin/Lyretail Molly for at least a year. I don't know when it started, but the tip of his dorsal fin has turned orange in these past months. I've noticed now, however, that the tip of his caudal fin is beginning to turn black, and it seems that some of the scales on his body have also turned orange.

Is this something I should be worried about, or is it just that he's getting older? I took some photos, but they're blurry because he moves around a lot. (I don't know how to make them larger in text boxes, so I guess you'll just have to click on them.)

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