You likely all know this, but "Japanese deepwater zoanthids" are selling for extremely high prices in the aquarium industry, despite most or all of the specimens not being Japanese or deepwater...
Check out the links:
http://glassbox-design.com/2010/japanese-deepwater-zoanthid/
and
http://coralmagazine.coverleaf.com/coral/20100506?sub_id=DLcNsTdnz17b#pg50
cheers,
JDR