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Thanks for the reply, Dana. If you wish please feel free to name the other Porites species and send me some images/specifics (specially lighting) of that system you had at the NEL in Kona through PM, on the side? I'm very interested in the subject.I'll have to give your post some thought but want to address the yellow Porites lobata. When I had a permit to collect Hawaiian corals for the display at the Natural Energy Lab in Kona, I had the opportunity to examine that pigment. The particular specimen I had contained a non-fluorescent chromoprotein. These proteins are usually produced in response to light intensity at a certain peak wavelength (although the bandwidth could be broad.) Some Porites contain a fluorescent protein although they weren't common off the Big Island (I could count those specimens on the fingers of one hand.) I saw those during night dives using a Light Cannon dive light fitted with Charlie Mazel's filters.
All the other species of Hawaiian Porites I know of aren't yellow with the exception of some strains of Porites duerdeni, P. lichen. and P. compressa. These last corals aren't as bright as P. lobata in situ though. Thanks for letting me know the differences of the pigments you found.
Waiting on your next post in regards to your thoughts on lighting.
I really appreciate your help.