What is this on my live rock

[sprouseod]

Does anyone know what these white spots on are on my live rock? They showed up a few weeks ago.

Thanks
Richard

 

[WV Reefer]

Does anyone know what these white spots on are on my live rock? They showed up a few weeks ago.

Thanks
Richard

Hi! Are we talking about the white circular things? If so, they are spirorbid worms. Harmless good guys.

 

[sprouseod]

Yes, Thank you. Why did they all the sudden show up?

 

[Whysosalty]

Yes, Thank you. Why did they all the sudden show up?

+1, they are all over my glass

 

[WV Reefer]

Yes, Thank you. Why did they all the sudden show up?

That’s what they do.

Their population will come and go if there is plenty to eat.

 

[DesertReefT4r]

Yes, Thank you. Why did they all the sudden show up?

They just do. You got some that hitch hiked in either on the LR or a frag plug ect.