The pink/red thing is a Cynarina Button Coral, the whole thing is one giant polyp, it really likes to puff up like that and looks like bubble coral. Others in that same picture are a frogspawn and a neon tip hammer coral.
Top left of the tank and show in closeup in the 5th picture is a torch coral. It's got really long thin tenticles for a torch.
Lighting is provided by a GLO T5 HO unit with 2 x 24W tubes and a Current USA Nova Extreme T5 HO fixture also with 2 x 24W tubes. Nice low energy with a total of only 98 watts over the tank. This is what they look like:
