On a practical note, this means even more overfishing of distant-from-Japanese-waters will now increase in hopes of locating their fish-quantities that don't glow in the dark.
Let's see... those currents head north to the Berings, then down the North American west coast... collect the pollution at Redondo Beach and Seal Point, past KSD, and then they make a gradual right turn at Peru, back into the middle of the Pacific.
Past the chemical and bio weapons dump at Johnston Island, finally circling northward at the Marianas Trench, past the PI and they hit Kyushu.
Fortunately, Tokyo Bay opens to the south, ready to accept anything that's left. What goes around, I suppose.