Yeah I don't have any idea how they sell em so cheap. Their fish are cheap and healthy too for the most part. The only downside is the colonies do seem to have some pests on them. I pulled off some crabs, weird worms and some nasty isopods on some of these frags. One worm I was gonna put into my sump but never saw one like it before... bright red/magenta with centipede type legs and no bristles. It looked a little mean though so he went bye bye...