Whats the beat way to bake/roast a whole bluefish?

Great answer that is what I would do myself I even do it on the grill that way the fish cooks in its own juices and it's very moist

The general rule for baking fish is 10 min per in of greatest thickness at 450 - 500F. I would first season it, possibly stuff it or put lemon, onion, herbs or whatever inside, & seal it with foil.
in=inch