Pest ID and what to do

jpcaram

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These polyps have been retracted for a while and I noticed this:
1652392580639.png

Anybody know what that is? Should I do anything about it?
 
Looks to be a vermetid snail. You can pop the shell off at the base and dispose of it or use reef glue and glue the opening shut. Both will kill it. I recommend doing something as soon as you can, they can get out of control in a few weeks.
 
Looks to be a vermetid snail. You can pop the shell off at the base and dispose of it or use reef glue and glue the opening shut. Both will kill it. I recommend doing something as soon as you can, they can get out of control in a few weeks.
seems like bubble algae to me
 
May be, with only one picture to go on, to me it looks like the twirl brown shell of a vermetid
I'll work on getting another picture. It is close to the glass, so difficult to get a different angle.

I didn't think a vermetid would grow on a polyp!
 
Here's another one:
1652456151883.png

Not much different, but with a bit different lighting.

They look like bubbles, somewhat clear/translucent, not a Vermitid. But I could be wrong. This is really tiny. How could this be attached to the polyp?!

By the way, I do have Vermitid infestation, now that you mention it, @Bucs20fan. They are only little specles on the rock at this point, but probably in the hundreds. :anxious-face-with-sweat:
 
bubble algae do not pop them, remove them and discard. if you have more you can look into natural methods of control like emerald crabs.
For your vermitid snails problem glue shut the pipe that they release their food web from. bumblebee snails are a great cuc and natural predator of vermitid snails.
 
bubble algae do not pop them, remove them and discard. if you have more you can look into natural methods of control like emerald crabs.
For your vermitid snails problem glue shut the pipe that they release their food web from. bumblebee snails are a great cuc and natural predator of vermitid snails.
How am I supposed to remove this specific one without popping it? It seems well attached to the polyp.

Also, about half of the polyps in this little colony are dying off, and only the one in the picture seems to have a parasite. It is a fairly small rock without any other corals on it, so maybe there is some "surgery" to be done?

Regarding the vermetids, they are too small to glue them shut. I could only tell that the hundreds or thusands of white speckles on the rocks were vermetids by looking with a magnifying glass.

I can get emerald crabs from my LFS, but I used to have a couple and they started messing with my corals. There aren't that many in the tank and don't seem to be bothering anything. Are bumblebee snails common such that I could find them at most stores? I know my LFS doesn't have them.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

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