I have a copper banded butterfly in my tank and over the last 2-3 days....he has been getting dark??? the white in his stripes has a tannish/lt. browinsh color to it?? what does this mean?? if it is something wrong with him i would like to get it taken care of??? lincon (copper banded...copper penny...lincon on a penny...get it??) is one of my favorites in the tank...he "dances" for me at feeding time!!! i know i might be a little crazy..but yes i name all my fish!! (and my clown pair are named bonnie and clyde!! heehee) lol... please if any ideas...let me know!! have a great TGIF!! Lori