What are these? Corals?

[SmokeyNite]

I have a couple spots of the flowy ones and a bunch of these bubble shaped things. Anyone know what they are??

 

[fishguy242]

hi both look like palys imo

 

[StatelineReefer]

Colonial hydroids. At least your nuisance hydroids are pretty.

 

[SmokeyNite]

What are the green ball like things on the underside of the rock??

 

[fishguy242]

bubble algae?

 

[Osaurus]

What are the green ball like things on the underside of the rock??

If you're talking about the pale fuzzy things, I'd guess sponges.