What are these?!

[kasen1]

I have a clove polyp colony that has been getting smaller and smaller recently. Today I noticed these growing in the colony. Can anyone identify?

 

[ISpeakForTheSeas]

Myrionema amboinense - a kind of colonial hydroid; it may be stinging the clove polyps:

I've heard smothering the hydroids with kalk paste may work, and 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.

www.reef2reef.com

 

[kasen1]

Yep I think you called it. Thanks