The advent of Flashers changed Bluewater hunting completely. Human visual capabilities are
limited in the water and many Gamefish pass a spearfisherman by without being seen. A well
designed Flasher will stimulate a predator to change course and investigate it by reflecting light
and emitting vibrations when “worked” in the water. This results in increased fish sightings as
well as more shooting opportunities when they pause to look at the flasher.
Flashers should be deployed within visibility and shallow enough to allow any fish to be
approached before they lose interest – usually between 6m and 12m deep. Any more effective
and they would be illegal!