Star blennies are "Herbivors" and require a large amount of natural algea to graze on, so if you do not have an ample amount in your system you will have to suppliment feed him regularly with appropriate Herbivore foods.
Coral Placement you can get a ruff idea on liveaquaria: Saltwater Reef Aquariums: Live Coral for Saltwater Coral Reef Aquariums
Oh ya and be carefull not to unbalance your tank by putting all the rock and weight over to one side... try to evenly desperse it for safety reasons!
Coral Placement you can get a ruff idea on liveaquaria: Saltwater Reef Aquariums: Live Coral for Saltwater Coral Reef Aquariums
Oh ya and be carefull not to unbalance your tank by putting all the rock and weight over to one side... try to evenly desperse it for safety reasons!