Algae problem

[clownlover]

Had a hair algae probv i got rid of now there is this bushy fast growing algae. im scared it can really take over. my snails crabs and sailfin wont touch the stuff. i thinik it may have been some caulp that hitchiked on some frag but im not sure. i have chaeto in my fuge not caulpera so... anyway anyone know what it is or how to get rid of it? (sorry for pic quality, cameraphone)

 

[Deanos]

Bryopsis

 

[CWeed]

It looks like caulerpa taxifolia to me... but then again there are sooo many types of caulerpa it's hard to be sure.

http://en.wikipedia.org/wiki/Caulerpa_taxifolia