<a href=showthread.php?s=&postid=13225293#post13225293 target=_blank>Originally posted</a> by SaltWaterQueen
When a coral receives damage, it will get stressed. They will release a slime coat that can be harmful to other fish and corals. The aquarium is an extremely small enviornment. In the ocean, not a big deal. In an aquarium, big deal.