Never seen one before - looks cool. 8) I'll move this into the GRD forum and leave a copy in the NRF as well so you get as much feedback as possible...
It could be Chrysiptera leucopoma- Surge Demoiselle (dark phase) from Dameselfishes of the World. Scanner is broke so I can't add a pic. Some one scan page 95.
"This species occurs in two basic color phases: a blue-backed (leucopoma) phase and a gray to black (amabilis) phase usually with two light bars, but occasionally lacking all markings except a yellowish opercular patch."
The pic on the site looks like the gray/black phase, but maybe yours is the bluebacked one...
Chris his fish looks just like the one in the bottom left picture in Damselfishes, has the white bars and all. I missed the blue back when adding the (dark phase).
Sorry, I can't tell you anything about them other than name.
No. It's still algae... I just introduced some of my cleaning crew... It's a new tank. I think it might be phosphates (is this well written?). Ammonia=0 Nitrit=0 Nitrate=5 PH= 8,4.
Also, the skimmer only started working properly 3 days ago.