I had gotten a pair of mated WC true percs. I lost one of them at about the 2w mark. The second one has always looked healthy but always hung out by my baffle at the waters surface. He's always out and about at food time and I never really thought anything of his strange behavior other just being attributable to a strange clownfish. Last night during feeding time he actually looked like he was struggling to get down off of the surface. He looked like any time he started to swim down the upward momentum would carry him quickly back to the surface. Is my clown just a strange fan of the surface or could this be indicative of a problem?