ID please

[MV_ReEfLoVer]

Which species of caulerpa is this??also how am i suppose to prune it??
its growing at about 2-3 blades a day!

http://i167.photobucket.com/albums/u145/malawimayhem/Image784.jpg

http://i167.photobucket.com/albums/u145/malawimayhem/DSC01443.jpg

[graveyardworm]

Looks like C. Mexicana.

[mastou]

I would guess on C. taxifolia:
http://www.usc.edu/org/seagrant/caulerpa/SpeciesKey/feather.html

/Magnus