SPS Id

[robcropper]

Found it on a rock. any ideas?

 

[jim70]

i have that in my tank to, hope someone can figure this one out

 

[dvmsn]

It is an algea

 

[REEFY1]

It is a sponge-

 

[Genetics]

The red bubbles are algae. You can scrape them off rather easily.

 

[TheCommersoni]

some kind of muffin?