You'll be surprised in what I don't know and what I just can't seem to pick up......I'm great at mechanics and design (the engineer and homebuilder in me)....but, when asked what coral this or that is....my response is usually....red, green, or blue. You'll never see me responding in an ID thread.
Randy....that's an interesting develpoment of color. From the original pic, I would have thought over time that it would have developed to be more red or pink....but, wouldn't have thought all that green would have emerged.....nice.
I was fortunate about a year ago that one of our local reefers closed down his tank ....and I was given all his nice echinos....about 15 of them. Ever since, I've been trying to learn more about them. In fact, I think I have more LPS than SPS now.