Possible sponge invasion?

[tonycawk]

Everything is thriving in my tank. I went down this am to check on everything and noticed these small white blobs on top of my GSP out if nowhere. No clue what they are or if I should remove them.

 

[cdemoss01]

Everything is thriving in my tank. I went down this am to check on everything and noticed these small white blobs on top of my GSP out if nowhere. No clue what they are or if I should remove them.

Better pictures would help. Could be pineapple sponges. #reefsquad