Algae ID?

[Calm Blue Ocean]

I have this algae popping up in various places in my nano tank. A few spots on the back glass and one rock so far. Looks like a bubble algae but open. It's rooted very firmly. I have two astraea snails, a couple ceriths, a pom pom crab, and a porcelain crab in the tank. None of them show any signs of eating this. It also seems immune to peroxide. Any ideas? Thanks! (air bubbles are from the return nozzle and are not part of the algae)

 

[bday1335]

Could be small spots of Ulva, (Sea Lettuce).

 

[Calm Blue Ocean]

Could be small spots of Ulva, (Sea Lettuce).

Looks like that might be it. On searching R2R for Ulva just now I even found a post describing it as looking a bit like bubble algae when it starts. Not sure I can find a predator for it that will fit a 10g nano so I guess it will be some careful scraping and a dental pick for now! Thanks for the ID!

 

[bday1335]

Looks like that might be it. On searching R2R for Ulva just now I even found a post describing it as looking a bit like bubble algae when it starts. Not sure I can find a predator for it that will fit a 10g nano so I guess it will be some careful scraping and a dental pick for now! Thanks for the ID!

No problem at all!