I know everyone asks the question. The twist is that I'd really like a blue or purple colored tang. The yellow and the kole really do nothing for me. Which would be better suited to a 90 gal 48x18x24deep with a lot of water vs. rock. My first and second choice would be the purple and the atlantic blue tang. There may be others more suitable, if there are feel free to mention them. So far I have a royal gramma, foxface rabbitfish, and a pixie hawkfish in quarentine. I will also be adding a lawnmower blenney, 2 percs, and some type of colorful wrasse. The tang will be the last addition to the tank when everyone else is settled. Thanks for any ideas, Fred:strooper: