I wanted to make the Scorpionfish look sinister, so I turned off one strobe, power downed the right strobe and increased the f-stop I was using to basically add just a touch of light and create some deep shadows. I took 6 shots with this idea, and this is the one that 'works' for me.

F32, 1/90, ASA100, 60mm lens, one strobe (-2)
Enjoy,
M