What is the current world population of clownfish?
I doubt if anyone has a good count of clownfish in the wild, but we know there are 28 different species of clownfish.
Check these sites for more information.
http://www.divephotoguide.com/news/researchers_race_to_save_the_clownfish_threatened_by_fame
http://en.wikipedia.org/wiki/Clownfish