UH scientists determine sunlight affects mercury consumed by fish Some fish contain more mercury than others and UH researchers were part of team that recently discovered why. The scientists found that sunlight determines the amount of mercury fish consume. This is backed by previous research that fish that feed at deeper depths, like opah and swordfish, have higher levels of mercury than ones closer to the surface, like mahimahi and yellowfin tuna. "That ...
Aug. 27, 2013 - KITV Honolulu