Bat rays bumping into you from behind on a night dive?

The sound of base cellos playing ominous chords while diving in waters known to be the grounds of great white sharks?

The thought of a packed large dive boat discharging the head on your head while swimming to the front anchor line?

Titan triggerfish during nesting season do it for you?

Sea snakes do you a treat?

Is there anything about or during diving that creeps you out?