He is acting extremely normal for a start. He is eating well and swimming well. Eats a ton. Sometimes even before I put the food in he will already swimming out on top of the water I can almost hand feed him.
I think water parameters plays a part. I just had my tank for 2 months, nitrate at 10 and phosphate still at 0.5ppm. I am doing about 7% waterchange everyweek to try to get rid of these. Also just added a skimmer last night already pulling tons and tons of tea like stuffs out of the water. I think there should be improvement tonight when I do the test again. Other fishes also doing extremely well, 1 yellow tang, 10 chromis, 1 o.clown, 1 cleaner wrasse, 1 twinspot goby and a bicolor blenny.
I know this sounds like too much for a 2 months old tank hence the fungus thing on the bannerfish and detection for nitrate and phosphate. The skimmer should do well. It is rated for a 1000 litre tank and my tank is only 500lt. I am getting this because I might want to keep corals in future.