What happened to my monti

Soccernut5824

Soccernut5824

New member
So I had a larger red monti who was struggling in the past but after getting my water stable for the last 6 months he was doing good and growing. Well after being gone for a day I came home and he was completely white.

My theory is that I had my Duncan too close to my recordia mushroom and the mushroom stung the Duncan and killed the Duncan and then released some type of toxin or something that sent some ammonia into the WC. I had tested my water all today and here are my results.
2a9366826308d4719fa43dae09beab40.jpg

Here's the coral 1 week ago
d3c2bc12f6fe9a92b1aed18cb0eb1155.jpg

And here it was today
005a48735a8882dc1bd97ec9359f9845.jpg


Is my theory correct or could something else cause this. Everything else in the tank is doing good.



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That montipora digitata does not look too great either. I really dont think a duncan would kill a mushroom. I have have mushrooms next to euphilia, trachaphilia, acans and war corals without issues. I second alk stability, whats your lighting like.
 
Looks like a nudibranch infection to me. Look at the margins where the coral is dying and the good parts and see if anything tiny is moving. Zoom on a cell phone works great. It looks like something is killing the coral in the foreground too. Is that a monti? If it is montipora nudi they are truly little devils and virtually impossible to get rid of.
 
DesertReefT4r said:
That montipora digitata does not look too great either. I really dont think a duncan would kill a mushroom. I have have mushrooms next to euphilia, trachaphilia, acans and war corals without issues. I second alk stability, whats your lighting like.
Click to expand...

No, my mushroom is still alive, its my duncan that died. I had experienced some STN on my digi about a month back and had fragged it into the 2 pieces on the left side of the picture since then the older piece has started to come back.

my lighting is a AI prime, Ill post a screen shot after this post.
 
rjjr1963 said:
Looks like a nudibranch infection to me. Look at the margins where the coral is dying and the good parts and see if anything tiny is moving. Zoom on a cell phone works great. It looks like something is killing the coral in the foreground too. Is that a monti? If it is montipora nudi they are truly little devils and virtually impossible to get rid of.
Click to expand...

I was unable to see any tiny moving things on either of the corals.
 
Based on the digitata receding from the base up and the look of the cap, I'd say you had an alkalinity swing. Do you have previous alkalinity values? SPS are very sensitive to alk swings.
 
Upon further investigation I did see a tiny bug crawling on the dead monti I went to grab it with a tweezer and it ran away. It didn't look like your picture tho.


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Soccernut5824 said:
Upon further investigation I did see a tiny bug crawling on the dead monti I went to grab it with a tweezer and it ran away. It didn't look like your picture tho.


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Click to expand...


This is what my moni looked like as the infestation was getting bad. Sometime you can see the nudi's hanging up into the water column just a tiny bit. Looks like a little white spec.


T9digkHh.jpg
 
crawlerman said:
Based on the digitata receding from the base up and the look of the cap, I'd say you had an alkalinity swing. Do you have previous alkalinity values? SPS are very sensitive to alk swings.
Click to expand...



Normally my alk is at 9 I don't test it very often. I use kalkwasser in my ato but maybe I need to be more accurate with how I'm using it or if it's even needed at all. Currently mixing some water to do a larger 15 gallon water change.


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Soccernut5824 said:
Here’s a video of the thing on my dead monti https://youtu.be/VKA0pFYfY_c


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Click to expand...

If you're referring to the little black spot that's not a nudi.

This is a picture of a very large one munching on a more fleshy monti. Sometimes you can see those little arms waving in the water. Again, they are primarily night feeders and live on the underside of the coral during the day.


bS1jA5kh.jpg
 
rjjr1963 said:
If you're referring to the little black spot that's not a nudi.

This is a picture of a very large one munching on a more fleshy monti. Sometimes you can see those little arms waving in the water. Again, they are primarily night feeders and live on the underside of the coral during the day.


bS1jA5kh.jpg
Click to expand...



Well that's good news. Guess the problem is related to alk.


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