Very strange A.hyacinthus growth

Wow. Nice!
Well, the fact that the new section looks like it is growing in the shade, would explain the paleness.
Don't know how to explain that!
It's really neat..
 
well, but you can see part of the coral in shade that is red and it growths...and what makes me crazy is that a shaded zone should increase the zoox density ...

I can't suppose a different coral started from a planula, I never had a totally white acropora....
 
Well, if you were in the U.S, you could have fragged it already and be charging $450 for tiny frags of Buran's Pale Ghost..
You'd be rich!! :)
 
Like reefmut mentioned ive certainly seen more pale quick shot growth but it is colored just pale and it sprouts quickly. Usually id see this in a shaded area or where the encrusting base finds some light or flow it likes and it rapidly sprouts there quickly and with little pigment. This seems entirely to lack pigment. My immediate thought was tissue recession but on closer look that is not at all the case. I wonder if the proximity of the mushroom has something to do with it? Beautiful piece. Keep growing!


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You are right, there are no zoox at all... and no, mushroom have no effect on that ...
But I still discuss with people in Italy if that is a hyacinthus or a different coral born from some planula...
 
I saw the same thing on a table similar to your's at the LFS. There was a 2" branch that just sprouted out and was white.

It was just a huge growth spurt that was concentrated to just a branch. The zoo/pigments eventually filled in.
 
I have seen acropora corals (especially wild pieces that have been idle for a while) do this but not to this extent. And they gain color fairly quickly and you can see other pigments in the base within days of the growth. Also the new growth looks like what it normally does in captivity. This looks totally different than a. Hyanthicus. Very odd but could be exactly that.
I know mushrooms have relationships with zoanthids that provide color changes but never seen it with acros. If it was I would expect the same thing as a normal green graft.
Buran how long has the growth been there and how long has it been white? How long did it take to grow that large?

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Also the table does look like it has been idle in growth on that section too.

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Maybe a couple of months at most.....it was a large branch. There was also a smaller one on the other side of the coral, but it wasn't as long.

The mushrooms may be producing some chemical warfare toward that coral and causing the zoo to expel, which was mentioned and seems logical.

I'd snip a piece it like others mentioned and see if the zoo fills back in.
 
this pic is dated december 26th and no mushrooms are there
 

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Wow, it's been growing like that since Christmas? I have never seen new growth stay white that long with so much growth. I would doubt the mushroom is causing it since it started when the mushroom wasn't there but that's just my opinion. I have seen mushrooms growing at the base of acro colonies with no problems and normally when it causes a problem it's just dies back and mushrooms encroach. But not all shrooms are the same as well. Is there any other areas on the coral where it's currently growing?
Looking forward to hearing more opinions.
 
and why only there?? the mushrooms are close to other branches...
 

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Someone told me that he suppose of a genetic mutation, but I have many doubts about that...Other people insist to say that is not a hyacinthus..
 
Not sure which species that is, but I experienced something similar to that in 3 of my pieces within the last 6 months. The whites would show up, usually at the base or the growing edge, and looked like recession, but it isn't. Seems like full tissue loss, but the polyps would still be there.

Wild shortcake that exhibited the condition.

wild_ssc_base_021317.jpg


Another piece, a deepwater.

neptune_deepwater_012317.jpg


I also had another piece affected, but didn't get a clean picture of it. That part was in the shade but very similar to what you're seeing.

These two pieces above are on nearly opposite sides of the tank and displayed the condition months apart. No bugs or anything when dipped and they eventually recovered. No updated pic of the shortcake, but here's the deepwater from about a week ago.

neptune_deepwater_042717.jpg
 
yes, but I see from your pics that the passage to light colour is much more continuous... I have a sharp change...
 
It's because the deepwater pic was taken a few days after the initial change and with the shortcake it was about a week afterwards. Didn't pull out the camera with the stark white margin when there were chances of losing them.
 
It's because the deepwater pic was taken a few days after the initial change and with the shortcake it was about a week afterwards. Didn't pull out the camera with the stark white margin when there were chances of losing them.


Ok, so your corals acquired some zooxs in few days... Actually, I see the white branch growing since december ...
 
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