Anyone recognize this?

[Adam300]

So, this cool looking little fella just popped up in my tank. Only thing is, I have no idea what it is or how it got there. Anyone have an idea? Thanks

 

[Adam300]

Oops, photo attached

 

[tjm9331]

Hard to tell with all the blue light but it looks like it could be some kind of cyphastrea


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[Adam300]

Does this help?

 

[Sugar Magnolia]

Red bubble algae, you'll want to gently pry it off and remove it.

 

[ReefNomad]

It is a red macro algae, and it depends on how you feel about it whether or not you remove it.