It is a Heteractis Magnifica also known as a Ritteri. The Ocellaris clowns are full grown and a mated pair that spawn every 14 days or so.
Last month I was contacted by Eric Brian at Send-A-Ecard.com, he wanted to use this pic of mine for a Ecard.
http://send-an-ecard.com/ecards.php/cat/Underwater
