This is one of the fastest spreading coral diseases in your tank. When you first spot it in your tank it normally is a little brown blotch of brown jelly like substance on the head of the Coral.....read full article
Some Leather or Family Alcyoniidae corals periodically slough-off a thin top layer of tissue. This shedding process is apparently not a regenerative action, but one that serves to rid the coral's surface of accumulated waste, debris and algae. Once a coral has shed what could be described as a layer of "old skin", it's not unusual for it to appear larger and more magnificent than before.....read full article