Brains generally will not appreciate MH
lighting very much. So keeping it on the sand bed is even more recommended. Acclimation to MH
may be rough on it, depending on what it's currently kept under. I would highly recommend using the "screen acclimation" method for light acclimation, and possibly shortening the photoperiod as well at first. Here is a link w/ more info- http://www.aquariumadvice.com/articl...=2&fldAuto=37-
They put out feeding tentacles, usually at night. They do not require target feedings, but they will appreciate them(meaty foods). You'll probably see faster growth w/ occasional target feedings. Best not to over do it though.