Science: Making Trout Foolish

December 21, 2005 By: Marshall Cutchin

A Wisconsin doctor figures that because fish see ultraviolet light, spraying flies with crystals that reflect UVA rays should enable trout to see flies better. “Treated with these flashing, iridescent crystals, baits and lures attract fish from great distances whenever the sun is above the horizon — even on dark and stormy days, as clouds are easily penetrated by UVA light.”