@DSC reef are there any sps eating bugs that do this? Im not too sure on SPS.
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I did add a few acros out of a friends tank that were all dipped and had zero signs of anything after inspection. Also his tank has never had any issues from pests. And that would be a very random acro to attack because its far from the new frags and there are nice acro colonies near the new frags with no damage.There's a few but U would imagine the OP would have seen earlier signs unless a new coral was just added
Hm, the closest coral is a favia about 4" away but its on the complete opposite side, so it wouldnt be likely that that was the area affected. Theres a duncan pretty far away maybe 10" and it has a lot of flow on it. Theres a lepthastrea maybe 5". Nothing that would add up to that. My harlequin shrimp has been walking all over lately and trying to swim up the walls so maybe he clawed at it by accident while moving around? No clue..Where are the nearest corals and types and what direction is your flow in that area.?
Some of those night time feeder/sweeper are can go really far if the flow is taking it like the wind. I've had a frogspawn throw out a 10inch one because it got caught in front of a power head and kept going. I had to look around 2AM to see it.
This could be spot on. Put the coral in a more shaded area and see if it recovers. This coral likes lower light and lower flow.They are a lower light light coral, so maybe the added t5s? But only an hour i am not sure. And ime bleaching like that is a few days process, not hours... any soft corals or euphylia near it? Will tag @DSC reef also hes better at corals [emoji23]
Do you think a monti eating nudi would target the stylo over my other montis? After checking last night I moved the frag and broke the dead pieces off. It was on the glass and the encrusted part was extremely brittle and not sticking to the glass well. Im thinking what happened is that an edge somehow got lifted up then the flow was slowly killing it back. Im not positive but thats what Im thinking.Check for monti eating nudis. But, they are light sensitive and will not polyp extend in weird fashion. But, they bounce back quick. Low flow, low light piece.
I snapped the wall growth off and moved the frag. It’s recovered fully and looks amazing again thank god. I was nervous, that’s one of my favorite pieces.Right in the center of the edge with the die off... What is the bright white thing? Vermatid snail perhaps? Mucous nets can be irritating sometimes. It could be something else. Has it stopped?