I've got a large walk in smoker with wire mesh racks and on one of them I have a piece of very stiff no.8 wire 'n' shaped about 10" high off the centre of the rack if you know what I mean .I have started leaning the fish either side of the wire,tail end up , just to drain off some of the liquid , just to make it a bit drier . I usually smoke my fish flat for about 3 hours then put them up leaning on the wire for the next 2 or 3 hours