There are around 12 Mushrooms on a 8"-10" piece of rock. I switched to these from anenomes and my clowns host in them. The 2 pics are full and not full after being annoyed. They grow nicely in my tank just need to make room.
$60
I believe they are this variety.
http://www.bluezooaquatics.com/produ...id=56&pid=1511
