Help with Algae ID

[nvert]

My 120g is a little over 3 years old. A few months ago, this algae popped up out of the blue. I have not added one single animal or plant to the tank in the past 2 years so I'm really curious as to what it is. Please ignore the GHA...currently working on getting that under control.

* A description of the texture of your algae
> It grows as a mat with little round cups with pointy edges. Very feathery root structure. Appears to be more green than any other color.

* The location of your live rock or collection spot
> Live rock is a mix from the Pacific and Caribbean

* A description of the growth habit of your alga
> Growing on the rock immediately under a Radion LED. Highish flow. Growth pattern is like the mat is reaching out for more substrate to attache to. Vigorous grower.

 

[FinzAquatics]

Some sort of caulerpa on your hands. Grows similar to the teacup variety minus the pointy edges which I think is pretty cool. If you ever decide to share I'd take some

 

[nvert]

Thanks Finz.

I'm beginning to believe it's some form of caulerpa too. I do like it and am keeping it in hopes it will out compete the GHA that's rampant in my tank right now. I'll be trimming it and moving a good bit to my fuge in my sump. Once it grows out more, I'll def consider letting go of some so look me up in a month or two.


Brad

 

[reefkt]

turbinaria turbinata?

 

[jraker]

I would say Caulerpa Racemosa var. Peltata, but your algae has tips on the plant, like a crown, which is slightly different.

 

[reefkt]

Caulerpa nummularia?
:headwally:

 

[jraker]

Caulerpa nummularia?
:headwally:

I think so