And your missing mine. If you're still, as you as on aspetto, there are no vibrations from the gun for their lateral lines to pick up. All there is to warn them is an unusual straight object pointing out of the weed. If they can't see that object then it's an advantage.
Of course that presumes that the fish's eye "sees" the same as ours.
Of course that presumes that the fish's eye "sees" the same as ours.