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Zoa hitchhiker?

TomSerious

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Hello!

I added 6 Zoa frags yesterday and dipped them all in "The Dip" from Fauna Marin before putting them in my tank.

I noticed something on one frag, I think it's some kind of sponge?

Today, all, except the frag with the "sponge" are partly or even fully open.

Can someone tell me if it is a pest and should I remove it?

It has a porous structure and 2 little "tentacles".

Sorry for the bad pictures, if it's unpossible to identify, I could use the camera of my wife for better pictures.

Thank you in advance!!

IMG_20200422_145914.jpg IMG_20200422_153816.jpg
 
Lazys Coral House

Sosuke

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Looks like a sponge of some sort. Should be harmless but if your zoas are annoyed you can remove it.
+1 I had a coral growing a sponge on the frag, though the coral was not annoyed at all I still had to dip the coral and the sponge died from the dip. I would only do that if the zoas won't open though
 

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