hahaha i remember this picture. its photoshopped bro. the original picture was a red dragon or kamalau. i would be one great looking flowerhorn if it were real.
Thought this might be relevant... http://www.cichlidmadness.com/forums/index.php?showtopic=24350
I think it could be very possible using selective breeding practices, and I hope to see some on the market in my life time. As for the photo, someone's a photoshop pro.