button polyp

[Salt Freak]

My button polyp is turning from a purplish color to green very excited as the green one are like 20 dollars more. right know the center of the coral and the little tentacles are turning green. very intereseting

 

[KimPossible]

Mine too, i think as they age... also i have to do more research but there are more than the 3 standard on my rock.
button
yellow
zoanthus

 

[bluefyre88]

could be as they age...or it could also be some sort of genetic mutation / recessive gene but i dont know to much this is only speculation