Need help to Id this

[Zac1302]

It's been growing on one of my rocks and on my crushed coral substrate. It looks like bubble algae although I'm not 100% sure it is. If anyone can ID this it would be appreciated.

 

[shakacuz]

does resemble bubble algae, but seems to have a more oval/flat shape.

@ISpeakForTheSeas any idea?

 

[ISpeakForTheSeas]

does resemble bubble algae, but seems to have a more oval/flat shape.

@ISpeakForTheSeas any idea?

That's a macroalgae or some variety, probably a red or brown macroalage (currently leaning toward brown) - I might be able to ID it properly after it has grown a bit, but for now my best guesses would be something like Colpomenia sinuosa or Encephalophycus tuberculatus.