Aiptasia?

[Hogall]

Any idea what this is? I've tons of them covering my rocks.

TIA

Hogall

 

[Peace River]

Hydroids?

 

[mrpontiac80]

It looks like a mini feather duster worm to me. I have areas in my tank with them. Do yours look like these?

 

[Red_Beard]

those are prob little tube worms/ feather dusters. Kinda hard to tell with all blues.

 

[Hogall]

It looks like a mini feather duster worm to me. I have areas in my tank with them. Do yours look like these?

Yes, that's what they look like. I don't know where they come from but they are everywhere.