I honestly can't make anything out in the pic - sorry - but the description here (assuming they're not feather duster worms) leads me to thinking either hydroids or an octocoral of some kind (like clove polyps, for example).
Yeah, definitely hydroids - it's generally recommended to remove them:
I've heard smothering the hydroids with kalk paste may work, but here are some other threads with suggestions that might be helpful:
Hydroids: a reference to some strategies
Like many of us, I have had problems on and off over the years with Hydroids. The ones that have always given me the most problems are the common ones that almost look like a smaller and darker version of the beginner coral called Yellow Polyps. But the colonial Hydroid is much smaller than...www.reef2reef.com
Hydroids - How do I eliminate- They have taken over my tank
So I have this stuff that has pretty much taken over my tank and I can't get rid of it. I'm looking for an ID and an eradication plan that is anything short of a total teardown.
Edit: A relevant link in post 7 of the link above:Fenbendazole dip for blue clove polyp/hydroids.
FYI So I had more than few blue clove and what i believe are hydroids pop up on a few frags and start spreading in the frag system. I didn't want to start out treating the whole system so I picked the most populated frags to treat. I mixed 1/4 gram of Fenbendazole with 1 cup of saltwater as a...
Here it is! Fenbendazole use against hydroids
Hi all! Well after getting a lot of questions about the use of fenbendazol I figured I would write this up. This is for informational purposes and I will not be held liable for improper use. Fenbendazol must be used exactly as I instruct or run the risk of a tank crash. Now lets get to it! So...
