Hawaii lifted the ban several months ago (as a matter of fact, mine was part of the first batch issued to my LFS after it was lifted). They just made the collection methods more stringent (which was a good idea IMHO). As for the former butthead in my tank? He was the only tang in my tank and was a complete jerk to my coral beauty (who by the way was with him in the same holding tank at my LFS for several weeks, and they were both added at the same time). The Tang was great for about a month and only had a Coral Beauty, Melanurus Wrasse and a Pajama Cardinalfish as tankmates in a 90 gallon tank. He and the CB even shared a long tunnel cave together. Then one day after about a month I noticed a chunk of lower fin missing from my CB and he would periodically display what looked like white scratch marks on his body. A couple of days later I saw the Yellow Tang flare up his fins and back up to the CB and slap it with it's tail scalpel and then a "white scratch" would appear. He did also some shadow and intimidation type behavior towards my melanurus wrasse (although he never hit him with his tail, the melanurus made sure he let the tang know on the first day he was not afraid to bite his tail if he got too big of an attitude). Strangely enough he never bothered the Pajama Cardinal. Either way the Coral Beauty was the one fish that the family unanimously voted to add to our tank, so clearly the YT had to go and he got the boot. Replaced him with a One Spot Foxface and have been much happier with him.