I have had mine for a year and a half. They are easy once established but not everyone understands their needs of a large tank not overcrowded, clean water meaning 0 to 5 nitrates, a good variety of foods especially greens, QUARANTINE, and being able to pick a healthy specimen from the start. <a href="http://www.reefcentral.com" target="_blank">www.reefcentral.com</a> has a post/poll going on now on the success of keeping a PBT under the reef discussion.