Algae ID ?
 

Hey guys. I have this stuff growing on the undersides of my rocks and have no idea what I google to figure out what it is. Any help would be great

http://img.tapatalk.com/d/13/12/12/6ejyqe5y.jpg

Thank you guys in advance.

algae
 

hydrids?

Maybe Bryopsis

Foraminiferans?

Maybe. Ill look them up and see if they are similar thank you

any other thoughts id like to know what this is myself

Bump

Algae
 

I also want to know what this is, I have it on my live rock as well. It's not hydroids, doesn't bother any corals, it seems to be In the dark areas of the tank. Anyone know?

Algae
 

It's also not bryopsis, or if it is it's very easy to get rid of as it scraps off and never comes back.

I don't think it's bryopsis because it's white and has a different structure from pictures I've looked at