is it moss?

[dumdedumdumdum]

does anyone know what kind of plant this is on tis youtube vid link? i'm talkingabout the one on the gravel, it kinda looks like "grass"

http://www.youtube.com/watch?v=fFeUZDWfLuU&feature=related

Dont know if link works or not, first time posting something on a forum.

 

[Ozymandias]

it's HC (Hemianthus Callitrichoide) defiantly not moss and requires high light and CO2 to do that in a tank but still pretty easy plants as thay go.

 

[dumdedumdumdum]

ouch, i think i would have to get a bigger tank for a co2 system, my first tank is just a small desk tank, probably bout 4gallons,