How do Tiny White Hydroids Spread?

[mfollen]

Does anyone know if the tiny white hydroids spread through the water column in any stage of the life cycle? Or can they only spread out from the surface?

I’m trying to plan what to do with an incoming order and a small white hydroid outbreak in a coral QT system.

These are not the larger colonial hydroids. Picture attached of the same hydroids for ID, but in someone else’s tank.

Thank you!!!

 

[mfollen]

Bump! hoping someone has experience or has looked into this.. I can’t find anything researching..

 

[mfollen]

Another picture for reference

 

[HelenofTroy]

Got the same ones. They killed my acans. Any success in getting rid of them? Seems like only way is to manually remove, or use Fenbendazole (Panacur).

 

[HelenofTroy]

Oops double post

 

[mfollen]

I had them in my coral QT. Ended dipping all remaining coral in hydrogen peroxide and shut the QT down. Seems like the hydrogen peroxide dip workedx

 

[HelenofTroy]

Did you ever find out what type of hydroids those are?

 

[mfollen]

No

 

[Kjgaeta]

I’m having the same problem. No luck

 

[thatmanMIKEson]

Bump

 

[TnFishwater98]

Bump
Noticed some on my Monti today. They were just on a dead coral piece I had.

 

[thatmanMIKEson]

Seems to be not getting much attention but first to pop up from google....

 

[TnFishwater98]

Bump
Noticed some on my Monti today. They were just on a dead coral piece I had.

 

[TnFishwater98]

Are these Hydroids?

 

[thatmanMIKEson]

Are these Hydroids?

They look a little different actually but hard to tell, I think they go away without feeding but not sure. Sry

 

[Dkmoo]

They are filter feeders that branch and spread out. Usually comes and goes based out the amount of dissolved organics. Reduce feeding and increase skimming would be short term solutions.

Long term, it will just be a part of your system and biodiversity will be your key to let natural competition keeping it in check. So, don't try to get rid of your feather dusters, vermatids, spoinids, sponges, barnacles, clams, w/e thinking they are pests. Let them grow as they please and they will take care of themselves.

Issue is, whatever "good" nutrient you try to dose to help your corals, like amino, phyto, rotifer, w/e, will also help these other filter feeders. So there is no real nutrient-control based method to remove hydriods that won't also impact ur corals.

 

[TnFishwater98]

They look a little different actually but hard to tell, I think they go away without feeding but not sure. Sry

I thought they were until I saw other people pics. Now I’m not sure...Maybe a different species but def look thicker ...

 

[Smite]

Not the best picture but these suckers are annoying. Not sure if they are causing some TN issues. They seem to only be on the shaded sides of rocks, I’m thinking my tangs keep the topside clean getting algae.