Who Gives A Fish Forums

I'm stumped, think this might be some kind of pest.

Struggling with pics here

Those cotton puffs are what I see. Did a bayer dip, seemed to weaken them some. They start either at the base or the tips, noticed that much. Once you remove 'em, there's a bare spot left behind. Color and PE look good for now, though.

I'm seeing more of these on my coral now. Been keeping an eye on them, trying to figure out what's going on. Just added some interceptor, but I'm not sure that'll do much. I did a bayer dip on the affected ones before, seemed to help. Should I do it for all of them now?

Still no one's seen this?

Cotton-like growths, possibly eggs - hard to tell from the pic.

I'm pretty sure it's not eggs. I've scraped it off the affected corals and tried a Bayer dip, but that didn't do anything. I'm starting to think it might be a fungal infection, but I'm not positive. I've been searching online and couldn't find anything that matches, except for this one thread on here about fungus on SPS - I bumped the thread since it looked similar to my issue.

Thread is actually called "odd fungus on sps"

I've never seen anything like this before. Is it affecting your coral's health, like causing it to die or bleach?

Honestly, it's tough to say for sure from those pictures, but I'm leaning towards mesenterial filaments. If that's what they are, then it's likely either some mechanical damage at the location or the coral is reacting to something. That could be anything from food to another coral's slime or even pieces of another coral. The water chemistry might also be triggering it to evert those filaments.