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Old 05/11/2017, 03:10 PM   #1
Chris918
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Questions Regarding Invasive Species

Hello friends

I'm happy to say my tank is probably less than a month away from getting my first group of soft corals. I've never had coral before so I'm here to ask some questions if you all don't mind. I have a JBJ 45 gallon with a sump built into the back.

I'm very much interested in Pulsing Xenia and Green Star Polyps, however my research has shown me that many experienced reefers can't stand these species even going as far as to call them pests or weeds. Looks like the problem comes from them literally growing so well they take over the entire tank. The only solutions here that I've seen are isolating them on islands away from the main aqua scape.

If I isolate them on a small piece of live rock will they grow over the sand toward the main display? Are the polyps easily spread by water flow? While I love the look of these corals I would rather forego getting them if they spread easily even when isolated.

Several other choices were Zoanthids and a toadstoll leather coral. Are either of these species aggressive or invasive or are they okay on the main scape?

What precautions should I take prior to adding them to my tank? I have some coral dip as well as some glue to attach the frags to the isolated rocks (if isolation is necessary). Granted my tank isn't huge so the coral spreading out of control or having pests being introduced are my main worries.

I'm so sorry for this huge post. Any and all help would be greatly appreciated. I can't wait to get this tank filled up and full of movement and color.

Best wishes,

Chris


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Old 05/11/2017, 03:30 PM   #2
divetoday
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I'll let more experienced members answer some of your other questions, but I have to admit that I have seen Xenia spread, seemingly across time and space with no effort, but have been able to keep GSP isolated so long as I was mildly diligent. But just remember the line "nature abhors a vacuum," no truer words were ever spoken with regards to those two. Good luck!


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Old 05/14/2017, 07:14 AM   #3
NYCBOB
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xenia does well in dirtier water. in a sps tank, they dont do well at all. gsp on the other hand, thrive in all water conditions.


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Old 05/19/2017, 11:20 AM   #4
Rilelen
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If you reaaaaalllly don't want xenia to spread, you probably should keep it physically separated from your main rock structures, and check periodically whether any off-shoots have "migrated." For instance, I have a fish who loves to frag my soft corals for me...I honestly don't mind, but if you're trying to contain xenia to one specific location, it might not be so "helpful." GSP (as you noted) and Kenya trees are others to look out for.

Toadstools and zoas should be absolutely fine.


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