ID on coral

[bjledbetter]

This little guy got throwed in on some stuff a while back, the guy was selling his tank. Not really sure what it is, I think its a galaxia but not sure. When I got it part of it was a dull brown color but after ive had it for a couple weeks its all turned green. I have it under 250w Mh's andin medium flow now. Any id or care advice would be great. Thanks.

 

[fish&corals]

a pic or 2 would help ID a coral

 

[bjledbetter]

Forgot the pic

 

[aquabull]

Galaxia sp

 

[swannyson7]

Looks like Galaxea astreata