ID Please?

[JurisHP]

Just discovered about 30 of these next to eachother in a remote part of the tank near some rock. Any ideas as to what they are and should I remove them?

 

[Frankie]

Hard to tell in the picture. If you turn off the blue lighting they should be more visible.
Looks like possible bubble algae.

 

[nanoreefing4fun]

+1 ^

look like this?