Please Help Identify... (Macroalgae ?)

[BioMechanical]

Red & Green. Should I leave them or get rid of them? I think they look cool:

 

[strike2867]

Red & Green. Should I leave them or get rid of them? I think they look cool:

Not quite sure of the species. I had some, but it was quickly eaten by a Foxface.

 

[Lina5910]

Fauchea sp. - Red plating type algae.

Gracilaria salicornia - the green, but im not sure about this one, its a type of red algae

http://www.reefcentral.com/forums/showthread.php?s=&threadid=1031289