Got these zoa going crazy on the back rock and encroaching on some digita and Mille. Will the zoa irritate and hurt these two? I have seen Mille get pretty aggressive and I care about those two corals more than the zoa but I think it would look awesome having zoa “grass” under these two trees. The mat of zoa looks like a nightmare to remove. Please advise
Will zoa smother or kill SPS?
- Thread starter Waynerock
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Guttersnipe
Well-Known Member
I don’t think it will smother the sps. It’ll just stop growing where they meet
SneakyTortuga
Valuable Member
If it is a fast growing zoa they will absolutely smother and shade sps at the base which will lead to stn. I had to get rid of some rocks with zoas on it because i had to constantly cut them back or they would kill the base of my acropora
SneakyTortuga
Valuable Member
That seems to happen a lot in this hobby. Eventually I had to remove my sps from the rock and sell the rock because I was tired of manually removing zoas. Good thing is if it comes to this take it to a lfs and try to get some store credit for the rock
It seems to depend on the species and also the amount of encrusting, though that last one could just be my imagination. I see a lot of things from that photo that have been banned from my sps tank. If you like your acropora best, you will want to reconsider star polyps, montis and zoatnhids on the same rocks as Acropora. It can work in some cases, I don't see this as being one of them...
Got these zoa going crazy on the back rock and encroaching on some digita and Mille. Will the zoa irritate and hurt these two? I have seen Mille get pretty aggressive and I care about those two corals more than the zoa but I think it would look awesome having zoa “grass” under these two trees. The mat of zoa looks like a nightmare to remove. Please advise
My rules with zoanthids now... If I don't like them enough to have a whole rock full, I don't add them to any of my tanks.
ectoaesthetics
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I’ve seen both things happen. Typically the taller zoas with larger heads will shade the base and create issues. I’ve not yet seen any zoas engage in warfare with a monti or Acro (it’s probably been witnessed -but I’ve ne Er seen it). But as stated above they can shade the bottom of the encrusting base. That being stated I’ve also seen them live totally peacefully when the zoas are a smaller species. You might luck out on this one...
Hockey Stick
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I have never had an issue with zoas smothering any of my acros. I always took the precautions though and made backup frags just in case 
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Waynerock
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I like the last two answers it gives me hope. I really like the purple and blue with brown skirt of these zoa and would love for everyone to get along. That being said I just bought a 100.00 ASD Rainbow Milli and going to put it on the top of that rock and I would hate to see it get killed
eggwater
Community Member
I have a rock that has acros, montis and zoa on it. I constantly trimm back the zoa so that it doesn’t smother acros and montis and it sorta works lol. I mounted these corals before I knew any better.
It’s best not to mix these corals and also give enough space between different acros on same rock. I now know better and won’t do the same thing for my next setup.
It’s best not to mix these corals and also give enough space between different acros on same rock. I now know better and won’t do the same thing for my next setup.
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